161106656115 has 32 divisors (see below), whose sum is σ = 268149139200. Its totient is φ = 82497161600.

The previous prime is 161106656093. The next prime is 161106656147. The reversal of 161106656115 is 511656601161.

It is not a de Polignac number, because 161106656115 - 2⁷ = 161106655987 is a prime.

It is a super-3 number, since 3×161106656115³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 956661 + ... + 1112390.

It is an arithmetic number, because the mean of its divisors is an integer number (8379660600).

Almost surely, 2^161106656115 is an apocalyptic number.

161106656115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161106656115 is a deficient number, since it is larger than the sum of its proper divisors (107042483085).

161106656115 is a wasteful number, since it uses less digits than its factorization.

161106656115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069267.

The product of its (nonzero) digits is 32400, while the sum is 39.

The spelling of 161106656115 in words is "one hundred sixty-one billion, one hundred six million, six hundred fifty-six thousand, one hundred fifteen".