161454162054 has 32 divisors (see below), whose sum is σ = 323365365216. Its totient is φ = 53741928960.

The previous prime is 161454161993. The next prime is 161454162083. The reversal of 161454162054 is 450261454161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21417774 + ... + 21425310.

It is an arithmetic number, because the mean of its divisors is an integer number (10105167663).

Almost surely, 2^161454162054 is an apocalyptic number.

161454162054 is an abundant number, since it is smaller than the sum of its proper divisors (161911203162).

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

161454162054 is a wasteful number, since it uses less digits than its factorization.

161454162054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12120.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 161454162054 in words is "one hundred sixty-one billion, four hundred fifty-four million, one hundred sixty-two thousand, fifty-four".