60651665 has 16 divisors (see below), whose sum is σ = 77310288. Its totient is φ = 45520896.

The previous prime is 60651649. The next prime is 60651671. The reversal of 60651665 is 56615606.

It can be written as a sum of positive squares in 8 ways, for example, as 5550736 + 55100929 = 2356^2 + 7423^2 .

It is a cyclic number.

It is not a de Polignac number, because 60651665 - 2⁴ = 60651649 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30749 + ... + 32661.

It is an arithmetic number, because the mean of its divisors is an integer number (4831893).

Almost surely, 2^60651665 is an apocalyptic number.

It is an amenable number.

60651665 is a deficient number, since it is larger than the sum of its proper divisors (16658623).

60651665 is a wasteful number, since it uses less digits than its factorization.

60651665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 60651665 is about 7787.9178860591. The cubic root of 60651665 is about 392.8989870895.

It can be divided in two parts, 60651 and 665, that added together give a palindrome (61316).

The spelling of 60651665 in words is "sixty million, six hundred fifty-one thousand, six hundred sixty-five".