6661010634 has 64 divisors (see below), whose sum is σ = 14273860608. Its totient is φ = 2067120000.

The previous prime is 6661010513. The next prime is 6661010647. The reversal of 6661010634 is 4360101666.

It is a super-2 number, since 2×6661010634² = 88738125332522163912, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6661010595 and 6661010604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2958009 + ... + 2960259.

It is an arithmetic number, because the mean of its divisors is an integer number (223029072).

Almost surely, 2^6661010634 is an apocalyptic number.

6661010634 is an abundant number, since it is smaller than the sum of its proper divisors (7612849974).

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

6661010634 is a wasteful number, since it uses less digits than its factorization.

6661010634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843.

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

The square root of 6661010634 is about 81615.0147583152. The cubic root of 6661010634 is about 1881.5396541171.

The spelling of 6661010634 in words is "six billion, six hundred sixty-one million, ten thousand, six hundred thirty-four".