2661102636 has 12 divisors (see below), whose sum is σ = 6209239512. Its totient is φ = 887034208.

The previous prime is 2661102617. The next prime is 2661102679. The reversal of 2661102636 is 6362011662.

2661102636 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2661102636² = 14162934478652296992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2661102597 and 2661102606.

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, 110879265 + ... + 110879288.

It is an arithmetic number, because the mean of its divisors is an integer number (517436626).

Almost surely, 2^2661102636 is an apocalyptic number.

It is an amenable number.

2661102636 is an abundant number, since it is smaller than the sum of its proper divisors (3548136876).

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

2661102636 is a wasteful number, since it uses less digits than its factorization.

2661102636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221758560 (or 221758558 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 2661102636 is about 51585.8763228851. The cubic root of 2661102636 is about 1385.7574062811.

The spelling of 2661102636 in words is "two billion, six hundred sixty-one million, one hundred two thousand, six hundred thirty-six".