3456636660 has 48 divisors (see below), whose sum is σ = 10753982400. Its totient is φ = 921769632.

The previous prime is 3456636653. The next prime is 3456636661. The reversal of 3456636660 is 666366543.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3456636661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3200050 + ... + 3201129.

It is an arithmetic number, because the mean of its divisors is an integer number (224041300).

Almost surely, 2^3456636660 is an apocalyptic number.

3456636660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3456636660 is an abundant number, since it is smaller than the sum of its proper divisors (7297345740).

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

3456636660 is a wasteful number, since it uses less digits than its factorization.

3456636660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401197 (or 6401189 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The square root of 3456636660 is about 58793.1684807002. The cubic root of 3456636660 is about 1511.9980946058.

The spelling of 3456636660 in words is "three billion, four hundred fifty-six million, six hundred thirty-six thousand, six hundred sixty".