690920160 has 192 divisors, whose sum is σ = 2528838144. Its totient is φ = 155289600.

The previous prime is 690920159. The next prime is 690920177. The reversal of 690920160 is 61029096.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203275 + ... + 206645.

It is an arithmetic number, because the mean of its divisors is an integer number (13171032).

Almost surely, 2^690920160 is an apocalyptic number.

690920160 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 690920160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1264419072).

690920160 is an abundant number, since it is smaller than the sum of its proper divisors (1837917984).

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

690920160 is a wasteful number, since it uses less digits than its factorization.

690920160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3457 (or 3449 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 690920160 is about 26285.3601839503. The cubic root of 690920160 is about 884.0482218803.

The spelling of 690920160 in words is "six hundred ninety million, nine hundred twenty thousand, one hundred sixty".