10616164640 has 24 divisors (see below), whose sum is σ = 25080689340. Its totient is φ = 4246465792.

The previous prime is 10616164627. The next prime is 10616164651. The reversal of 10616164640 is 4646161601.

It can be written as a sum of positive squares in 2 ways, for example, as 10585117456 + 31047184 = 102884^2 + 5572^2 .

It is a super-2 number, since 2×10616164640² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10616164640.

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, 33175355 + ... + 33175674.

Almost surely, 2^10616164640 is an apocalyptic number.

10616164640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10616164640 is an abundant number, since it is smaller than the sum of its proper divisors (14464524700).

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

10616164640 is an equidigital number, since it uses as much as digits as its factorization.

10616164640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66351044 (or 66351036 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 10616164640 in words is "ten billion, six hundred sixteen million, one hundred sixty-four thousand, six hundred forty".