690661196 has 6 divisors (see below), whose sum is σ = 1208657100. Its totient is φ = 345330596.

The previous prime is 690661171. The next prime is 690661207. The reversal of 690661196 is 691166096.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86332646 + ... + 86332653.

It is an arithmetic number, because the mean of its divisors is an integer number (201442850).

Almost surely, 2^690661196 is an apocalyptic number.

It is an amenable number.

690661196 is a deficient number, since it is larger than the sum of its proper divisors (517995904).

690661196 is a wasteful number, since it uses less digits than its factorization.

690661196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172665303 (or 172665301 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 690661196 is about 26280.4337102720. The cubic root of 690661196 is about 883.9377579485.

The spelling of 690661196 in words is "six hundred ninety million, six hundred sixty-one thousand, one hundred ninety-six".