161057833167 has 64 divisors (see below), whose sum is σ = 274532428800. Its totient is φ = 81565747200.

The previous prime is 161057833141. The next prime is 161057833169. The reversal of 161057833167 is 761338750161.

It is a happy number.

It is not a de Polignac number, because 161057833167 - 2³⁶ = 92338356431 is a prime.

It is a super-3 number, since 3×161057833167³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161057833169) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1541709 + ... + 1642857.

It is an arithmetic number, because the mean of its divisors is an integer number (4289569200).

Almost surely, 2^161057833167 is an apocalyptic number.

161057833167 is a deficient number, since it is larger than the sum of its proper divisors (113474595633).

161057833167 is a wasteful number, since it uses less digits than its factorization.

161057833167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101344.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 161057833167 in words is "one hundred sixty-one billion, fifty-seven million, eight hundred thirty-three thousand, one hundred sixty-seven".