1611059970 has 96 divisors (see below), whose sum is σ = 4395045312. Its totient is φ = 375663744.

The previous prime is 1611059953. The next prime is 1611059971. The reversal of 1611059970 is 799501161.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1611059971) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135069 + ... + 146511.

It is an arithmetic number, because the mean of its divisors is an integer number (45781722).

Almost surely, 2^1611059970 is an apocalyptic number.

1611059970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1611059970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2197522656).

1611059970 is an abundant number, since it is smaller than the sum of its proper divisors (2783985342).

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

1611059970 is a wasteful number, since it uses less digits than its factorization.

1611059970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11504 (or 11485 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 39.

The square root of 1611059970 is about 40138.0115352019. The cubic root of 1611059970 is about 1172.2958717688.

The spelling of 1611059970 in words is "one billion, six hundred eleven million, fifty-nine thousand, nine hundred seventy".