66102050 has 24 divisors (see below), whose sum is σ = 140514816. Its totient is φ = 22663440.

The previous prime is 66102041. The next prime is 66102053. The reversal of 66102050 is 5020166.

It is not an unprimeable number, because it can be changed into a prime (66102053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94082 + ... + 94781.

It is an arithmetic number, because the mean of its divisors is an integer number (5854784).

Almost surely, 2^66102050 is an apocalyptic number.

66102050 is an abundant number, since it is smaller than the sum of its proper divisors (74412766).

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

66102050 is a wasteful number, since it uses less digits than its factorization.

66102050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188882 (or 188877 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 66102050 is about 8130.3167219980. The cubic root of 66102050 is about 404.3321819458.

The spelling of 66102050 in words is "sixty-six million, one hundred two thousand, fifty".