16540456232 has 64 divisors (see below), whose sum is σ = 33022080000. Its totient is φ = 7745112000.

The previous prime is 16540456223. The next prime is 16540456241. The reversal of 16540456232 is 23265404561.

It is an interprime number because it is at equal distance from previous prime (16540456223) and next prime (16540456241).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5301569 + ... + 5304687.

It is an arithmetic number, because the mean of its divisors is an integer number (515970000).

Almost surely, 2^16540456232 is an apocalyptic number.

It is an amenable number.

16540456232 is a deficient number, since it is larger than the sum of its proper divisors (16481623768).

16540456232 is a wasteful number, since it uses less digits than its factorization.

16540456232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534 (or 3530 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 16540456232 in words is "sixteen billion, five hundred forty million, four hundred fifty-six thousand, two hundred thirty-two".