161429622960 has 40 divisors (see below), whose sum is σ = 500431831920. Its totient is φ = 43047899392.

The previous prime is 161429622943. The next prime is 161429622961. The reversal of 161429622960 is 69226924161.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (161429622961) by changing a digit.

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, 336311475 + ... + 336311954.

It is an arithmetic number, because the mean of its divisors is an integer number (12510795798).

Almost surely, 2^161429622960 is an apocalyptic number.

161429622960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161429622960 is an abundant number, since it is smaller than the sum of its proper divisors (339002208960).

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

161429622960 is a wasteful number, since it uses less digits than its factorization.

161429622960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672623445 (or 672623439 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 161429622960 in words is "one hundred sixty-one billion, four hundred twenty-nine million, six hundred twenty-two thousand, nine hundred sixty".