16364232540 has 36 divisors (see below), whose sum is σ = 49638172584. Its totient is φ = 4363795296.

The previous prime is 16364232529. The next prime is 16364232541. The reversal of 16364232540 is 4523246361.

16364232540 is a `hidden beast` number, since 1 + 6 + 3 + 642 + 3 + 2 + 5 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16364232495 and 16364232504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16364232541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45456022 + ... + 45456381.

Almost surely, 2^16364232540 is an apocalyptic number.

16364232540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16364232540 is an abundant number, since it is smaller than the sum of its proper divisors (33273940044).

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

16364232540 is a wasteful number, since it uses less digits than its factorization.

16364232540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90912418 (or 90912413 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 16364232540 in words is "sixteen billion, three hundred sixty-four million, two hundred thirty-two thousand, five hundred forty".