16625434607642 has 128 divisors (see below), whose sum is σ = 31974953472000. Its totient is φ = 6320125440000.

The previous prime is 16625434607629. The next prime is 16625434607657. The reversal of 16625434607642 is 24670643452661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45272984 + ... + 45638732.

It is an arithmetic number, because the mean of its divisors is an integer number (249804324000).

Almost surely, 2^{16625434607642} is an apocalyptic number.

16625434607642 is a deficient number, since it is larger than the sum of its proper divisors (15349518864358).

16625434607642 is a wasteful number, since it uses less digits than its factorization.

16625434607642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365968.

The product of its (nonzero) digits is 34836480, while the sum is 56.

The spelling of 16625434607642 in words is "sixteen trillion, six hundred twenty-five billion, four hundred thirty-four million, six hundred seven thousand, six hundred forty-two".