1866056160 has 96 divisors (see below), whose sum is σ = 6067740672. Its totient is φ = 481559040.

The previous prime is 1866056141. The next prime is 1866056167. The reversal of 1866056160 is 616506681.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1866056167) 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, 47824 + ... + 77583.

It is an arithmetic number, because the mean of its divisors is an integer number (63205632).

Almost surely, 2^1866056160 is an apocalyptic number.

1866056160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1866056160 is an abundant number, since it is smaller than the sum of its proper divisors (4201684512).

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

1866056160 is a wasteful number, since it uses less digits than its factorization.

1866056160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125456 (or 125448 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1866056160 is about 43197.8721698187. The cubic root of 1866056160 is about 1231.1422530706.

The spelling of 1866056160 in words is "one billion, eight hundred sixty-six million, fifty-six thousand, one hundred sixty".