161614694668 has 24 divisors (see below), whose sum is σ = 327123724032. Its totient is φ = 68428940304.

The previous prime is 161614694651. The next prime is 161614694701. The reversal of 161614694668 is 866496416161.

It is a super-2 number, since 2×161614694668² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

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, 34768480 + ... + 34773127.

It is an arithmetic number, because the mean of its divisors is an integer number (13630155168).

Almost surely, 2^161614694668 is an apocalyptic number.

It is an amenable number.

161614694668 is an abundant number, since it is smaller than the sum of its proper divisors (165509029364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161614694668 is a wasteful number, since it uses less digits than its factorization.

161614694668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69541701 (or 69541699 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 58.

The spelling of 161614694668 in words is "one hundred sixty-one billion, six hundred fourteen million, six hundred ninety-four thousand, six hundred sixty-eight".