10616640651 has 16 divisors (see below), whose sum is σ = 15731089920. Its totient is φ = 7076530440.

The previous prime is 10616640611. The next prime is 10616640677. The reversal of 10616640651 is 15604661601.

It is a happy number.

10616640651 is a `hidden beast` number, since 1 + 0 + 6 + 1 + 6 + 640 + 6 + 5 + 1 = 666.

It is not a de Polignac number, because 10616640651 - 2²² = 10612446347 is a prime.

It is a super-2 number, since 2×10616640651² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10616640611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140266 + ... + 202256.

It is an arithmetic number, because the mean of its divisors is an integer number (983193120).

Almost surely, 2^10616640651 is an apocalyptic number.

10616640651 is a deficient number, since it is larger than the sum of its proper divisors (5114449269).

10616640651 is an equidigital number, since it uses as much as digits as its factorization.

10616640651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68343 (or 68337 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 10616640651 in words is "ten billion, six hundred sixteen million, six hundred forty thousand, six hundred fifty-one".