161254152457504 has 96 divisors (see below), whose sum is σ = 343590077214720. Its totient is φ = 74267765332992.

The previous prime is 161254152457471. The next prime is 161254152457529. The reversal of 161254152457504 is 405754251452161.

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, 1688187 + ... + 18037690.

It is an arithmetic number, because the mean of its divisors is an integer number (3579063304320).

Almost surely, 2^{161254152457504} is an apocalyptic number.

It is an amenable number.

161254152457504 is an abundant number, since it is smaller than the sum of its proper divisors (182335924757216).

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

161254152457504 is a wasteful number, since it uses less digits than its factorization.

161254152457504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19726322 (or 19726314 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 52.

The spelling of 161254152457504 in words is "one hundred sixty-one trillion, two hundred fifty-four billion, one hundred fifty-two million, four hundred fifty-seven thousand, five hundred four".