161171176496 has 40 divisors (see below), whose sum is σ = 347905304064. Its totient is φ = 71700906560.

The previous prime is 161171176489. The next prime is 161171176501. The reversal of 161171176496 is 694671171161.

It is a super-2 number, since 2×161171176496² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9733700 + ... + 9750243.

Almost surely, 2^161171176496 is an apocalyptic number.

161171176496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161171176496 is an abundant number, since it is smaller than the sum of its proper divisors (186734127568).

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

161171176496 is a wasteful number, since it uses less digits than its factorization.

161171176496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19484009 (or 19484003 counting only the distinct ones).

The product of its digits is 381024, while the sum is 50.

The spelling of 161171176496 in words is "one hundred sixty-one billion, one hundred seventy-one million, one hundred seventy-six thousand, four hundred ninety-six".