69050821680 has 560 divisors, whose sum is σ = 256799528064. Its totient is φ = 17199267840.

The previous prime is 69050821661. The next prime is 69050821717. The reversal of 69050821680 is 8612805096.

69050821680 is a `hidden beast` number, since 69 + 0 + 508 + 2 + 1 + 6 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 254799945 + ... + 254800215.

Almost surely, 2^69050821680 is an apocalyptic number.

69050821680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69050821680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128399764032).

69050821680 is an abundant number, since it is smaller than the sum of its proper divisors (187748706384).

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

69050821680 is a wasteful number, since it uses less digits than its factorization.

69050821680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 69050821680 in words is "sixty-nine billion, fifty million, eight hundred twenty-one thousand, six hundred eighty".