66437502102 has 32 divisors (see below), whose sum is σ = 148272564960. Its totient is φ = 22050783360.

The previous prime is 66437502101. The next prime is 66437502107. The reversal of 66437502102 is 20120573466.

66437502102 is a `hidden beast` number, since 6 + 6 + 43 + 7 + 502 + 102 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66437502101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2627599 + ... + 2652762.

It is an arithmetic number, because the mean of its divisors is an integer number (4633517655).

Almost surely, 2^66437502102 is an apocalyptic number.

66437502102 is an abundant number, since it is smaller than the sum of its proper divisors (81835062858).

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

66437502102 is a wasteful number, since it uses less digits than its factorization.

66437502102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280605 (or 5280599 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 66437502102 in words is "sixty-six billion, four hundred thirty-seven million, five hundred two thousand, one hundred two".