16502273625642 has 32 divisors (see below), whose sum is σ = 38431170928512. Its totient is φ = 4625974277184.

The previous prime is 16502273625637. The next prime is 16502273625671. The reversal of 16502273625642 is 24652637220561.

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, 3706707933 + ... + 3706712384.

It is an arithmetic number, because the mean of its divisors is an integer number (1200974091516).

Almost surely, 2^{16502273625642} is an apocalyptic number.

16502273625642 is an abundant number, since it is smaller than the sum of its proper divisors (21928897302870).

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

16502273625642 is a wasteful number, since it uses less digits than its factorization.

16502273625642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413420382.

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 16502273625642 in words is "sixteen trillion, five hundred two billion, two hundred seventy-three million, six hundred twenty-five thousand, six hundred forty-two".