60691866 has 16 divisors (see below), whose sum is σ = 121547424. Its totient is φ = 20203344.

The previous prime is 60691843. The next prime is 60691901. The reversal of 60691866 is 66819606.

It is a Curzon 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, 1705 + ... + 11148.

It is an arithmetic number, because the mean of its divisors is an integer number (7596714).

Almost surely, 2^60691866 is an apocalyptic number.

60691866 is an abundant number, since it is smaller than the sum of its proper divisors (60855558).

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

60691866 is a wasteful number, since it uses less digits than its factorization.

60691866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13645.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 60691866 is about 7790.4984436171. The cubic root of 60691866 is about 392.9857747248.

The spelling of 60691866 in words is "sixty million, six hundred ninety-one thousand, eight hundred sixty-six".