161454006131 has 16 divisors (see below), whose sum is σ = 183810332160. Its totient is φ = 140378905920.

The previous prime is 161454006127. The next prime is 161454006137. The reversal of 161454006131 is 131600454161.

It is not a de Polignac number, because 161454006131 - 2² = 161454006127 is a prime.

It is a super-2 number, since 2×161454006131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161454006137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2578250 + ... + 2640128.

It is an arithmetic number, because the mean of its divisors is an integer number (11488145760).

Almost surely, 2^161454006131 is an apocalyptic number.

161454006131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

161454006131 is a deficient number, since it is larger than the sum of its proper divisors (22356326029).

161454006131 is a wasteful number, since it uses less digits than its factorization.

161454006131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72226.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 161454006131 in words is "one hundred sixty-one billion, four hundred fifty-four million, six thousand, one hundred thirty-one".