61012165 has 8 divisors (see below), whose sum is σ = 73433880. Its totient is φ = 48663552.

The previous prime is 61012129. The next prime is 61012187. The reversal of 61012165 is 56121016.

It can be written as a sum of positive squares in 4 ways, for example, as 31684 + 60980481 = 178^2 + 7809^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 61012165 - 2⁷ = 61012037 is a prime.

It is an alternating number because its digits alternate between even and odd.

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, 16420 + ... + 19789.

It is an arithmetic number, because the mean of its divisors is an integer number (9179235).

Almost surely, 2^61012165 is an apocalyptic number.

It is an amenable number.

61012165 is a deficient number, since it is larger than the sum of its proper divisors (12421715).

61012165 is a wasteful number, since it uses less digits than its factorization.

61012165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36551.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 61012165 is about 7811.0284214052. The cubic root of 61012165 is about 393.6758845972.

The spelling of 61012165 in words is "sixty-one million, twelve thousand, one hundred sixty-five".