161460655 has 4 divisors (see below), whose sum is σ = 193752792. Its totient is φ = 129168520.

The previous prime is 161460643. The next prime is 161460701. The reversal of 161460655 is 556064161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556064161 = 21673 ⋅25657.

It is not a de Polignac number, because 161460655 - 2⁵ = 161460623 is a prime.

It is a super-2 number, since 2×161460655² = 52139086226058050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 161460655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16146061 + ... + 16146070.

It is an arithmetic number, because the mean of its divisors is an integer number (48438198).

Almost surely, 2^161460655 is an apocalyptic number.

161460655 is a deficient number, since it is larger than the sum of its proper divisors (32292137).

161460655 is an equidigital number, since it uses as much as digits as its factorization.

161460655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32292136.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 161460655 is about 12706.7169245246. The cubic root of 161460655 is about 544.5305330649.

The spelling of 161460655 in words is "one hundred sixty-one million, four hundred sixty thousand, six hundred fifty-five".