1654634144 has 48 divisors (see below), whose sum is σ = 3348374400. Its totient is φ = 804570624.

The previous prime is 1654634141. The next prime is 1654634153. The reversal of 1654634144 is 4414364561.

It is a super-2 number, since 2×1654634144² = 5475628300981225472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1654634098 and 1654634107.

It is not an unprimeable number, because it can be changed into a prime (1654634141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164492 + ... + 174260.

It is an arithmetic number, because the mean of its divisors is an integer number (69757800).

Almost surely, 2^1654634144 is an apocalyptic number.

It is an amenable number.

1654634144 is an abundant number, since it is smaller than the sum of its proper divisors (1693740256).

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

1654634144 is an equidigital number, since it uses as much as digits as its factorization.

1654634144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9925 (or 9917 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 1654634144 is about 40677.1943968608. The cubic root of 1654634144 is about 1182.7709809004.

The spelling of 1654634144 in words is "one billion, six hundred fifty-four million, six hundred thirty-four thousand, one hundred forty-four".