161338082896 has 40 divisors (see below), whose sum is σ = 324008369280. Its totient is φ = 77774256384.

The previous prime is 161338082879. The next prime is 161338082923. The reversal of 161338082896 is 698280833161.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1550701 + ... + 1651468.

It is an arithmetic number, because the mean of its divisors is an integer number (8100209232).

Almost surely, 2^161338082896 is an apocalyptic number.

161338082896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161338082896 is an abundant number, since it is smaller than the sum of its proper divisors (162670286384).

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

161338082896 is a wasteful number, since it uses less digits than its factorization.

161338082896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202291 (or 3202285 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 161338082896 in words is "one hundred sixty-one billion, three hundred thirty-eight million, eighty-two thousand, eight hundred ninety-six".