87069166650 has 96 divisors (see below), whose sum is σ = 242961235200. Its totient is φ = 22924512000.

The previous prime is 87069166649. The next prime is 87069166673. The reversal of 87069166650 is 5666196078.

It is a super-2 number, since 2×87069166650² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 301551 + ... + 514850.

It is an arithmetic number, because the mean of its divisors is an integer number (2530846200).

Almost surely, 2^87069166650 is an apocalyptic number.

87069166650 is an abundant number, since it is smaller than the sum of its proper divisors (155892068550).

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

87069166650 is a wasteful number, since it uses less digits than its factorization.

87069166650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816501 (or 816490 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 87069166650 in words is "eighty-seven billion, sixty-nine million, one hundred sixty-six thousand, six hundred fifty".