1955656160 has 24 divisors (see below), whose sum is σ = 4620238056. Its totient is φ = 782262400.

The previous prime is 1955656147. The next prime is 1955656181. The reversal of 1955656160 is 616565591.

It is a super-2 number, since 2×1955656160² = 7649182032291891200, which contains 22 as substring.

It is a congruent number.

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, 6111266 + ... + 6111585.

It is an arithmetic number, because the mean of its divisors is an integer number (192509919).

Almost surely, 2^1955656160 is an apocalyptic number.

1955656160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1955656160 is an abundant number, since it is smaller than the sum of its proper divisors (2664581896).

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

1955656160 is a wasteful number, since it uses less digits than its factorization.

1955656160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222866 (or 12222858 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 44.

The square root of 1955656160 is about 44222.8013585752. The cubic root of 1955656160 is about 1250.5397477044.

The spelling of 1955656160 in words is "one billion, nine hundred fifty-five million, six hundred fifty-six thousand, one hundred sixty".