1956654660 has 48 divisors (see below), whose sum is σ = 5481818496. Its totient is φ = 521471232.

The previous prime is 1956654647. The next prime is 1956654703. The reversal of 1956654660 is 664566591.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106257 + ... + 123303.

It is an arithmetic number, because the mean of its divisors is an integer number (114204552).

Almost surely, 2^1956654660 is an apocalyptic number.

1956654660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1956654660 is an abundant number, since it is smaller than the sum of its proper divisors (3525163836).

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

1956654660 is a wasteful number, since it uses less digits than its factorization.

1956654660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18972 (or 18970 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The square root of 1956654660 is about 44234.0893429491. The cubic root of 1956654660 is about 1250.7525409881.

The spelling of 1956654660 in words is "one billion, nine hundred fifty-six million, six hundred fifty-four thousand, six hundred sixty".