166971010512 has 40 divisors (see below), whose sum is σ = 431501221440. Its totient is φ = 55636430080.

The previous prime is 166971010501. The next prime is 166971010517. The reversal of 166971010512 is 215010179661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166971010517) 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, 511437 + ... + 771692.

It is an arithmetic number, because the mean of its divisors is an integer number (10787530536).

Almost surely, 2^166971010512 is an apocalyptic number.

166971010512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166971010512 is an abundant number, since it is smaller than the sum of its proper divisors (264530210928).

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

166971010512 is a wasteful number, since it uses less digits than its factorization.

166971010512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285851 (or 1285845 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 39.

The spelling of 166971010512 in words is "one hundred sixty-six billion, nine hundred seventy-one million, ten thousand, five hundred twelve".