161162426465 has 8 divisors (see below), whose sum is σ = 193764694848. Its totient is φ = 128683419120.

The previous prime is 161162426413. The next prime is 161162426471. The reversal of 161162426465 is 564624261161.

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

It is not a de Polignac number, because 161162426465 - 2⁸ = 161162426209 is a prime.

It is a Duffinian 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, 30812381 + ... + 30817610.

It is an arithmetic number, because the mean of its divisors is an integer number (24220586856).

Almost surely, 2^161162426465 is an apocalyptic number.

It is an amenable number.

161162426465 is a deficient number, since it is larger than the sum of its proper divisors (32602268383).

161162426465 is an equidigital number, since it uses as much as digits as its factorization.

161162426465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61630519.

The product of its digits is 414720, while the sum is 44.

The spelling of 161162426465 in words is "one hundred sixty-one billion, one hundred sixty-two million, four hundred twenty-six thousand, four hundred sixty-five".