161460514691 has 8 divisors (see below), whose sum is σ = 184529340000. Its totient is φ = 138392448768.

The previous prime is 161460514681. The next prime is 161460514693. The reversal of 161460514691 is 196415064161.

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

It is not a de Polignac number, because 161460514691 - 2²⁶ = 161393405827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161460514693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379685 + ... + 683433.

It is an arithmetic number, because the mean of its divisors is an integer number (23066167500).

Almost surely, 2^161460514691 is an apocalyptic number.

161460514691 is a deficient number, since it is larger than the sum of its proper divisors (23068825309).

161460514691 is an equidigital number, since it uses as much as digits as its factorization.

161460514691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379693.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 161460514691 in words is "one hundred sixty-one billion, four hundred sixty million, five hundred fourteen thousand, six hundred ninety-one".