690266116522080 has 576 divisors, whose sum is σ = 2792063094912000. Its totient is φ = 157757020084224.

The previous prime is 690266116522049. The next prime is 690266116522091. The reversal of 690266116522080 is 80225611662096.

690266116522080 is a `hidden beast` number, since 6 + 9 + 0 + 26 + 6 + 1 + 16 + 522 + 0 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2449026922 + ... + 2449308758.

It is an arithmetic number, because the mean of its divisors is an integer number (4847331762000).

Almost surely, 2^{690266116522080} is an apocalyptic number.

690266116522080 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 690266116522080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396031547456000).

690266116522080 is an abundant number, since it is smaller than the sum of its proper divisors (2101796978389920).

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

690266116522080 is a wasteful number, since it uses less digits than its factorization.

690266116522080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290873 (or 290853 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 690266116522080 in words is "six hundred ninety trillion, two hundred sixty-six billion, one hundred sixteen million, five hundred twenty-two thousand, eighty".