161025465 has 8 divisors (see below), whose sum is σ = 257640768. Its totient is φ = 85880240.

The previous prime is 161025457. The next prime is 161025503. The reversal of 161025465 is 564520161.

161025465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 161025465 - 2³ = 161025457 is a prime.

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, 5367501 + ... + 5367530.

It is an arithmetic number, because the mean of its divisors is an integer number (32205096).

Almost surely, 2^161025465 is an apocalyptic number.

161025465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

161025465 is a deficient number, since it is larger than the sum of its proper divisors (96615303).

161025465 is a wasteful number, since it uses less digits than its factorization.

161025465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10735039.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 161025465 is about 12689.5809623486. The cubic root of 161025465 is about 544.0408627483.

The spelling of 161025465 in words is "one hundred sixty-one million, twenty-five thousand, four hundred sixty-five".