166396488532 has 12 divisors (see below), whose sum is σ = 291786921216. Its totient is φ = 83028796760.

The previous prime is 166396488523. The next prime is 166396488547. The reversal of 166396488532 is 235884693661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42359668 + ... + 42363595.

It is an arithmetic number, because the mean of its divisors is an integer number (24315576768).

Almost surely, 2^166396488532 is an apocalyptic number.

It is an amenable number.

166396488532 is a deficient number, since it is larger than the sum of its proper divisors (125390432684).

166396488532 is a wasteful number, since it uses less digits than its factorization.

166396488532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84723758 (or 84723756 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 61.

The spelling of 166396488532 in words is "one hundred sixty-six billion, three hundred ninety-six million, four hundred eighty-eight thousand, five hundred thirty-two".