616387632 has 240 divisors, whose sum is σ = 2023299072. Its totient is φ = 157685760.

The previous prime is 616387627. The next prime is 616387643. The reversal of 616387632 is 236783616.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10447219 + ... + 10447277.

Almost surely, 2^616387632 is an apocalyptic number.

616387632 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616387632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011649536).

616387632 is an abundant number, since it is smaller than the sum of its proper divisors (1406911440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

616387632 is a wasteful number, since it uses less digits than its factorization.

616387632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 119 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 616387632 is about 24827.1551330393. The cubic root of 616387632 is about 851.0426108058.

The spelling of 616387632 in words is "six hundred sixteen million, three hundred eighty-seven thousand, six hundred thirty-two".