4640666846156 has 24 divisors (see below), whose sum is σ = 8929214386176. Its totient is φ = 2092784616720.

The previous prime is 4640666846119. The next prime is 4640666846201. The reversal of 4640666846156 is 6516486660464.

It is a super-2 number, since 2×4640666846156² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415229456 + ... + 415240631.

It is an arithmetic number, because the mean of its divisors is an integer number (372050599424).

Almost surely, 2^{4640666846156} is an apocalyptic number.

It is an amenable number.

4640666846156 is a deficient number, since it is larger than the sum of its proper divisors (4288547540020).

4640666846156 is a wasteful number, since it uses less digits than its factorization.

4640666846156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830470229 (or 830470227 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 62.

The spelling of 4640666846156 in words is "four trillion, six hundred forty billion, six hundred sixty-six million, eight hundred forty-six thousand, one hundred fifty-six".