1456100186920 has 16 divisors (see below), whose sum is σ = 3276225420660. Its totient is φ = 582440074752.

The previous prime is 1456100186897. The next prime is 1456100186921. The reversal of 1456100186920 is 296810016541.

It can be written as a sum of positive squares in 2 ways, for example, as 1313824873284 + 142275313636 = 1146222^2 + 377194^2 .

It is not an unprimeable number, because it can be changed into a prime (1456100186921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18201252297 + ... + 18201252376.

Almost surely, 2^{1456100186920} is an apocalyptic number.

1456100186920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1456100186920 is an abundant number, since it is smaller than the sum of its proper divisors (1820125233740).

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

1456100186920 is a wasteful number, since it uses less digits than its factorization.

1456100186920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36402504684 (or 36402504680 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 1456100186920 in words is "one trillion, four hundred fifty-six billion, one hundred million, one hundred eighty-six thousand, nine hundred twenty".