161116015655 has 16 divisors (see below), whose sum is σ = 226097693184. Its totient is φ = 107910260640.

The previous prime is 161116015601. The next prime is 161116015661. The reversal of 161116015655 is 556510611161.

It is a happy number.

It is not a de Polignac number, because 161116015655 - 2⁸ = 161116015399 is a prime.

It is a congruent number.

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, 53525411 + ... + 53528420.

It is an arithmetic number, because the mean of its divisors is an integer number (14131105824).

Almost surely, 2^161116015655 is an apocalyptic number.

161116015655 is a deficient number, since it is larger than the sum of its proper divisors (64981677529).

161116015655 is a wasteful number, since it uses less digits than its factorization.

161116015655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107053886.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 161116015655 in words is "one hundred sixty-one billion, one hundred sixteen million, fifteen thousand, six hundred fifty-five".