690412160 has 256 divisors, whose sum is σ = 1903564800. Its totient is φ = 237895680.

The previous prime is 690412157. The next prime is 690412169. The reversal of 690412160 is 61214096.

It is not an unprimeable number, because it can be changed into a prime (690412169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7757396 + ... + 7757484.

It is an arithmetic number, because the mean of its divisors is an integer number (7435800).

Almost surely, 2^690412160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690412160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951782400).

690412160 is an abundant number, since it is smaller than the sum of its proper divisors (1213152640).

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

690412160 is a wasteful number, since it uses less digits than its factorization.

690412160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 690412160 is about 26275.6952334282. The cubic root of 690412160 is about 883.8315028661.

The spelling of 690412160 in words is "six hundred ninety million, four hundred twelve thousand, one hundred sixty".