180536870 has 32 divisors (see below), whose sum is σ = 342614016. Its totient is φ = 68392800.

The previous prime is 180536857. The next prime is 180536887. The reversal of 180536870 is 78635081.

It is a super-2 number, since 2×180536870² = 65187122858793800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 8375 + ... + 20765.

It is an arithmetic number, because the mean of its divisors is an integer number (10706688).

Almost surely, 2^180536870 is an apocalyptic number.

180536870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180536870 is a deficient number, since it is larger than the sum of its proper divisors (162077146).

180536870 is a wasteful number, since it uses less digits than its factorization.

180536870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12476.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 180536870 is about 13436.4009317972. The cubic root of 180536870 is about 565.1824090595.

The spelling of 180536870 in words is "one hundred eighty million, five hundred thirty-six thousand, eight hundred seventy".