15346420656 has 80 divisors (see below), whose sum is σ = 45634579200. Its totient is φ = 4353133824.

The previous prime is 15346420627. The next prime is 15346420673. The reversal of 15346420656 is 65602464351.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117591 + ... + 210998.

It is an arithmetic number, because the mean of its divisors is an integer number (570432240).

Almost surely, 2^15346420656 is an apocalyptic number.

15346420656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15346420656 is an abundant number, since it is smaller than the sum of its proper divisors (30288158544).

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

15346420656 is a wasteful number, since it uses less digits than its factorization.

15346420656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328746 (or 328740 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 15346420656 in words is "fifteen billion, three hundred forty-six million, four hundred twenty thousand, six hundred fifty-six".