10616644625 has 8 divisors (see below), whose sum is σ = 13249572648. Its totient is φ = 8493315600.

The previous prime is 10616644603. The next prime is 10616644663. The reversal of 10616644625 is 52644661601.

It can be written as a sum of positive squares in 4 ways, for example, as 3375145216 + 7241499409 = 58096^2 + 85097^2 .

It is not a de Polignac number, because 10616644625 - 2¹⁰ = 10616643601 is a prime.

It is a super-2 number, since 2×10616644625² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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, 42466454 + ... + 42466703.

It is an arithmetic number, because the mean of its divisors is an integer number (1656196581).

Almost surely, 2^10616644625 is an apocalyptic number.

It is an amenable number.

10616644625 is a deficient number, since it is larger than the sum of its proper divisors (2632928023).

10616644625 is an frugal number, since it uses more digits than its factorization.

10616644625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84933172 (or 84933162 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 10616644625 in words is "ten billion, six hundred sixteen million, six hundred forty-four thousand, six hundred twenty-five".