10005661616 has 10 divisors (see below), whose sum is σ = 19385969412. Its totient is φ = 5002830800.

The previous prime is 10005661613. The next prime is 10005661621. The reversal of 10005661616 is 61616650001.

It is a super-2 number, since 2×10005661616² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10005661613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312676910 + ... + 312676941.

Almost surely, 2^10005661616 is an apocalyptic number.

10005661616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10005661616 is a deficient number, since it is larger than the sum of its proper divisors (9380307796).

10005661616 is an equidigital number, since it uses as much as digits as its factorization.

10005661616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625353859 (or 625353853 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 10005661616 in words is "ten billion, five million, six hundred sixty-one thousand, six hundred sixteen".