66250104 has 16 divisors (see below), whose sum is σ = 165625320. Its totient is φ = 22083360.

The previous prime is 66250099. The next prime is 66250117. The reversal of 66250104 is 40105266.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2760421 = 66250104 / (6 + 6 + 2 + 5 + 0 + 1 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380187 + ... + 1380234.

Almost surely, 2^66250104 is an apocalyptic number.

It is an amenable number.

66250104 is an abundant number, since it is smaller than the sum of its proper divisors (99375216).

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

66250104 is a wasteful number, since it uses less digits than its factorization.

66250104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760430 (or 2760426 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 66250104 is about 8139.4166867166. The cubic root of 66250104 is about 404.6338284610.

The spelling of 66250104 in words is "sixty-six million, two hundred fifty thousand, one hundred four".