15654013456 has 45 divisors (see below), whose sum is σ = 31370678253. Its totient is φ = 7567015680.

The previous prime is 15654013433. The next prime is 15654013469. The reversal of 15654013456 is 65431045651.

It is a happy number.

The square root of 15654013456 is 125116.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4804707856 + 10849305600 = 69316^2 + 104160^2 .

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 8 ways as a sum of consecutive naturals, for example, 15513880 + ... + 15514888.

Almost surely, 2^15654013456 is an apocalyptic number.

15654013456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

15654013456 is the 125116-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15654013456

15654013456 is an abundant number, since it is smaller than the sum of its proper divisors (15716664797).

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

15654013456 is an frugal number, since it uses more digits than its factorization.

15654013456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 15654013456 in words is "fifteen billion, six hundred fifty-four million, thirteen thousand, four hundred fifty-six".