161614066930 has 16 divisors (see below), whose sum is σ = 290940548184. Its totient is φ = 64637798400.

The previous prime is 161614066927. The next prime is 161614066961. The reversal of 161614066930 is 39660416161.

It can be written as a sum of positive squares in 4 ways, for example, as 99980542809 + 61633524121 = 316197^2 + 248261^2 .

It is a super-2 number, since 2×161614066930² (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 7 ways as a sum of consecutive naturals, for example, 891471 + ... + 1057330.

Almost surely, 2^161614066930 is an apocalyptic number.

161614066930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161614066930 is a deficient number, since it is larger than the sum of its proper divisors (129326481254).

161614066930 is a wasteful number, since it uses less digits than its factorization.

161614066930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957101.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 161614066930 in words is "one hundred sixty-one billion, six hundred fourteen million, sixty-six thousand, nine hundred thirty".