656116634 has 8 divisors (see below), whose sum is σ = 1010774388. Its totient is φ = 319191840.

The previous prime is 656116613. The next prime is 656116679. The reversal of 656116634 is 436611656.

It can be written as a sum of positive squares in 2 ways, for example, as 639331225 + 16785409 = 25285^2 + 4097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×656116634² = 860978074822979912, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4433147 + ... + 4433294.

Almost surely, 2^656116634 is an apocalyptic number.

656116634 is a deficient number, since it is larger than the sum of its proper divisors (354657754).

656116634 is a wasteful number, since it uses less digits than its factorization.

656116634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8866480.

The product of its digits is 77760, while the sum is 38.

The square root of 656116634 is about 25614.7737448528. The cubic root of 656116634 is about 868.9477894531.

The spelling of 656116634 in words is "six hundred fifty-six million, one hundred sixteen thousand, six hundred thirty-four".