1820057245156 has 48 divisors (see below), whose sum is σ = 3246516262080. Its totient is φ = 892554037760.

The previous prime is 1820057245141. The next prime is 1820057245163. The reversal of 1820057245156 is 6515427500281.

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, 281173536 + ... + 281180008.

It is an arithmetic number, because the mean of its divisors is an integer number (67635755460).

Almost surely, 2^{1820057245156} is an apocalyptic number.

It is an amenable number.

1820057245156 is a deficient number, since it is larger than the sum of its proper divisors (1426459016924).

1820057245156 is a wasteful number, since it uses less digits than its factorization.

1820057245156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9084 (or 9082 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 46.

The spelling of 1820057245156 in words is "one trillion, eight hundred twenty billion, fifty-seven million, two hundred forty-five thousand, one hundred fifty-six".