2161654100522 has 16 divisors (see below), whose sum is σ = 3706452691200. Its totient is φ = 926233199088.

The previous prime is 2161654100461. The next prime is 2161654100533. The reversal of 2161654100522 is 2250014561612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15761522 + ... + 15898077.

It is an arithmetic number, because the mean of its divisors is an integer number (231653293200).

Almost surely, 2^{2161654100522} is an apocalyptic number.

2161654100522 is a deficient number, since it is larger than the sum of its proper divisors (1544798590678).

2161654100522 is a wasteful number, since it uses less digits than its factorization.

2161654100522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31664485.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 2161654100522 in words is "two trillion, one hundred sixty-one billion, six hundred fifty-four million, one hundred thousand, five hundred twenty-two".