61165152 has 48 divisors (see below), whose sum is σ = 178400880. Its totient is φ = 20388096.

The previous prime is 61165141. The next prime is 61165177. The reversal of 61165152 is 25156116.

It is a happy number.

61165152 is a `hidden beast` number, since 6 + 1 + 1 + 651 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 34533 + ... + 36260.

It is an arithmetic number, because the mean of its divisors is an integer number (3716685).

Almost surely, 2^61165152 is an apocalyptic number.

It is an amenable number.

61165152 is an abundant number, since it is smaller than the sum of its proper divisors (117235728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61165152 is a wasteful number, since it uses less digits than its factorization.

61165152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70812 (or 70798 counting only the distinct ones).

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

The square root of 61165152 is about 7820.8153027674. The cubic root of 61165152 is about 394.0046552226.

The spelling of 61165152 in words is "sixty-one million, one hundred sixty-five thousand, one hundred fifty-two".