60660646 has 4 divisors (see below), whose sum is σ = 90990972. Its totient is φ = 30330322.

The previous prime is 60660643. The next prime is 60660647. The reversal of 60660646 is 64606606.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60660643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15165160 + ... + 15165163.

It is an arithmetic number, because the mean of its divisors is an integer number (22747743).

Almost surely, 2^60660646 is an apocalyptic number.

60660646 is a deficient number, since it is larger than the sum of its proper divisors (30330326).

60660646 is a wasteful number, since it uses less digits than its factorization.

60660646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30330325.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 60660646 is about 7788.4944629883. The cubic root of 60660646 is about 392.9183789817.

The spelling of 60660646 in words is "sixty million, six hundred sixty thousand, six hundred forty-six".