161156010057 has 8 divisors (see below), whose sum is σ = 245571062976. Its totient is φ = 92089148592.

The previous prime is 161156010011. The next prime is 161156010091. The reversal of 161156010057 is 750010651161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161156010057 - 2⁸ = 161156009801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161156010097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3837047838 + ... + 3837047879.

It is an arithmetic number, because the mean of its divisors is an integer number (30696382872).

Almost surely, 2^161156010057 is an apocalyptic number.

It is an amenable number.

161156010057 is a deficient number, since it is larger than the sum of its proper divisors (84415052919).

161156010057 is an equidigital number, since it uses as much as digits as its factorization.

161156010057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7674095727.

The product of its (nonzero) digits is 6300, while the sum is 33.

The spelling of 161156010057 in words is "one hundred sixty-one billion, one hundred fifty-six million, ten thousand, fifty-seven".