180069860 has 24 divisors (see below), whose sum is σ = 378414456. Its totient is φ = 71976960.

The previous prime is 180069823. The next prime is 180069863. The reversal of 180069860 is 68960081.

It can be written as a sum of positive squares in 4 ways, for example, as 10601536 + 169468324 = 3256^2 + 13018^2 .

It is not an unprimeable number, because it can be changed into a prime (180069863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40130 + ... + 44390.

It is an arithmetic number, because the mean of its divisors is an integer number (15767269).

Almost surely, 2^180069860 is an apocalyptic number.

180069860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180069860 is an abundant number, since it is smaller than the sum of its proper divisors (198344596).

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

180069860 is a wasteful number, since it uses less digits than its factorization.

180069860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383 (or 6381 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 180069860 is about 13419.0111409150. The cubic root of 180069860 is about 564.6946531885.

The spelling of 180069860 in words is "one hundred eighty million, sixty-nine thousand, eight hundred sixty".