119665161988 has 12 divisors (see below), whose sum is σ = 210747881932. Its totient is φ = 59451481440.

The previous prime is 119665161983. The next prime is 119665161991. The reversal of 119665161988 is 889161566911.

It can be written as a sum of positive squares in 2 ways, for example, as 63286458624 + 56378703364 = 251568^2 + 237442^2 .

It is a super-2 number, since 2×119665161988² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (119665161983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95274183 + ... + 95275438.

Almost surely, 2^119665161988 is an apocalyptic number.

It is an amenable number.

119665161988 is a deficient number, since it is larger than the sum of its proper divisors (91082719944).

119665161988 is a wasteful number, since it uses less digits than its factorization.

119665161988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190549782 (or 190549780 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 61.

The spelling of 119665161988 in words is "one hundred nineteen billion, six hundred sixty-five million, one hundred sixty-one thousand, nine hundred eighty-eight".