161469370986 has 32 divisors (see below), whose sum is σ = 402624926208. Its totient is φ = 41940096240.

The previous prime is 161469370949. The next prime is 161469370999. The reversal of 161469370986 is 689073964161.

It is a super-2 number, since 2×161469370986² (a number of 23 digits) contains 22 as substring.

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, 174749940 + ... + 174750863.

It is an arithmetic number, because the mean of its divisors is an integer number (12582028944).

Almost surely, 2^161469370986 is an apocalyptic number.

161469370986 is an abundant number, since it is smaller than the sum of its proper divisors (241155555222).

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

161469370986 is a wasteful number, since it uses less digits than its factorization.

161469370986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349500826.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 161469370986 in words is "one hundred sixty-one billion, four hundred sixty-nine million, three hundred seventy thousand, nine hundred eighty-six".