16140665604 has 96 divisors (see below), whose sum is σ = 46869580800. Its totient is φ = 4218238080.

The previous prime is 16140665603. The next prime is 16140665621. The reversal of 16140665604 is 40656604161.

It is a happy number.

It is a super-2 number, since 2×16140665604² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16140665603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128082 + ... + 220649.

It is an arithmetic number, because the mean of its divisors is an integer number (488224800).

Almost surely, 2^16140665604 is an apocalyptic number.

16140665604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16140665604 is an abundant number, since it is smaller than the sum of its proper divisors (30728915196).

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

16140665604 is a wasteful number, since it uses less digits than its factorization.

16140665604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348793 (or 348791 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 16140665604 in words is "sixteen billion, one hundred forty million, six hundred sixty-five thousand, six hundred four".