166527561210 has 32 divisors (see below), whose sum is σ = 399677042880. Its totient is φ = 44406139008.

The previous prime is 166527561199. The next prime is 166527561223. The reversal of 166527561210 is 12165725661.

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, 1829334 + ... + 1918206.

It is an arithmetic number, because the mean of its divisors is an integer number (12489907590).

Almost surely, 2^166527561210 is an apocalyptic number.

166527561210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166527561210 is an abundant number, since it is smaller than the sum of its proper divisors (233149481670).

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

166527561210 is a wasteful number, since it uses less digits than its factorization.

166527561210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151342.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 166527561210 in words is "one hundred sixty-six billion, five hundred twenty-seven million, five hundred sixty-one thousand, two hundred ten".