690067797120 has 2560 divisors, whose sum is σ = 3045492172800. Its totient is φ = 147149291520.

The previous prime is 690067797113. The next prime is 690067797157. The reversal of 690067797120 is 21797760096.

It is a happy number.

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 319 ways as a sum of consecutive naturals, for example, 10299519327 + ... + 10299519393.

It is an arithmetic number, because the mean of its divisors is an integer number (1189645380).

Almost surely, 2^690067797120 is an apocalyptic number.

690067797120 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 690067797120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522746086400).

690067797120 is an abundant number, since it is smaller than the sum of its proper divisors (2355424375680).

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

690067797120 is a wasteful number, since it uses less digits than its factorization.

690067797120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 54.

The spelling of 690067797120 in words is "six hundred ninety billion, sixty-seven million, seven hundred ninety-seven thousand, one hundred twenty".