166137341464 has 32 divisors (see below), whose sum is σ = 329948676720. Its totient is φ = 78154500096.

The previous prime is 166137341453. The next prime is 166137341467. The reversal of 166137341464 is 464143731661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166137341467) 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, 169687 + ... + 600889.

Almost surely, 2^166137341464 is an apocalyptic number.

It is an amenable number.

166137341464 is a deficient number, since it is larger than the sum of its proper divisors (163811335256).

166137341464 is a wasteful number, since it uses less digits than its factorization.

166137341464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434059 (or 434055 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The spelling of 166137341464 in words is "one hundred sixty-six billion, one hundred thirty-seven million, three hundred forty-one thousand, four hundred sixty-four".