16346232240 has 80 divisors (see below), whose sum is σ = 54571278048. Its totient is φ = 4023687168.

The previous prime is 16346232239. The next prime is 16346232251. The reversal of 16346232240 is 4223264361.

It is a tau number, because it is divible by the number of its divisors (80).

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, 2616469 + ... + 2622708.

Almost surely, 2^16346232240 is an apocalyptic number.

16346232240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16346232240 is an abundant number, since it is smaller than the sum of its proper divisors (38225045808).

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

16346232240 is a wasteful number, since it uses less digits than its factorization.

16346232240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239206 (or 5239200 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 16346232240 in words is "sixteen billion, three hundred forty-six million, two hundred thirty-two thousand, two hundred forty".