161760791015 has 8 divisors (see below), whose sum is σ = 194122687968. Its totient is φ = 129402140320.

The previous prime is 161760791011. The next prime is 161760791021. The reversal of 161760791015 is 510197067161.

It is a happy number.

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

It is not a de Polignac number, because 161760791015 - 2² = 161760791011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161760791011) 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, 700556 + ... + 902385.

It is an arithmetic number, because the mean of its divisors is an integer number (24265335996).

Almost surely, 2^161760791015 is an apocalyptic number.

161760791015 is a deficient number, since it is larger than the sum of its proper divisors (32361896953).

161760791015 is a wasteful number, since it uses less digits than its factorization.

161760791015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623129.

The product of its (nonzero) digits is 79380, while the sum is 44.

The spelling of 161760791015 in words is "one hundred sixty-one billion, seven hundred sixty million, seven hundred ninety-one thousand, fifteen".