161696016088 has 16 divisors (see below), whose sum is σ = 303228486000. Its totient is φ = 80835086496.

The previous prime is 161696016077. The next prime is 161696016113. The reversal of 161696016088 is 880610696161.

It is a happy number.

It is a super-2 number, since 2×161696016088² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561908 + ... + 1662211.

It is an arithmetic number, because the mean of its divisors is an integer number (18951780375).

Almost surely, 2^161696016088 is an apocalyptic number.

It is an amenable number.

161696016088 is a deficient number, since it is larger than the sum of its proper divisors (141532469912).

161696016088 is a wasteful number, since it uses less digits than its factorization.

161696016088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230394 (or 3230390 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 161696016088 in words is "one hundred sixty-one billion, six hundred ninety-six million, sixteen thousand, eighty-eight".