161252015888182 has 16 divisors (see below), whose sum is σ = 244596563930880. Its totient is φ = 79719833907648.

The previous prime is 161252015888153. The next prime is 161252015888233. The reversal of 161252015888182 is 281888510252161.

It is a super-5 number, since 5×161252015888182⁵ (a number of 72 digits) contains 55555 as substring.

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, 59356408 + ... + 62013604.

It is an arithmetic number, because the mean of its divisors is an integer number (15287285245680).

Almost surely, 2^{161252015888182} is an apocalyptic number.

161252015888182 is a deficient number, since it is larger than the sum of its proper divisors (83344548042698).

161252015888182 is a wasteful number, since it uses less digits than its factorization.

161252015888182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998215.

The product of its (nonzero) digits is 4915200, while the sum is 58.

The spelling of 161252015888182 in words is "one hundred sixty-one trillion, two hundred fifty-two billion, fifteen million, eight hundred eighty-eight thousand, one hundred eighty-two".