61152165 has 56 divisors (see below), whose sum is σ = 115945440. Its totient is φ = 30862944.

The previous prime is 61152139. The next prime is 61152199. The reversal of 61152165 is 56125116.

It is a happy number.

It is not a de Polignac number, because 61152165 - 2¹² = 61148069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 68814 + ... + 69696.

Almost surely, 2^61152165 is an apocalyptic number.

It is an amenable number.

61152165 is a deficient number, since it is larger than the sum of its proper divisors (54793275).

61152165 is an equidigital number, since it uses as much as digits as its factorization.

61152165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 910 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 61152165 is about 7819.9849744101. The cubic root of 61152165 is about 393.9767673349.

The spelling of 61152165 in words is "sixty-one million, one hundred fifty-two thousand, one hundred sixty-five".