2156062432642 has 16 divisors (see below), whose sum is σ = 3237002705664. Its totient is φ = 1077061860000.

The previous prime is 2156062432609. The next prime is 2156062432649. The reversal of 2156062432642 is 2462342606512.

It is not an unprimeable number, because it can be changed into a prime (2156062432649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13519267 + ... + 13677817.

It is an arithmetic number, because the mean of its divisors is an integer number (202312669104).

Almost surely, 2^{2156062432642} is an apocalyptic number.

2156062432642 is a deficient number, since it is larger than the sum of its proper divisors (1080940273022).

2156062432642 is a wasteful number, since it uses less digits than its factorization.

2156062432642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164625.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 2156062432642 in words is "two trillion, one hundred fifty-six billion, sixty-two million, four hundred thirty-two thousand, six hundred forty-two".