164131165480 has 64 divisors (see below), whose sum is σ = 391155564240. Its totient is φ = 61768876032.

The previous prime is 164131165441. The next prime is 164131165489. The reversal of 164131165480 is 84561131461.

It can be written as a sum of positive squares in 8 ways, for example, as 96966223236 + 67164942244 = 311394^2 + 259162^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (164131165489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1967172 + ... + 2048908.

Almost surely, 2^164131165480 is an apocalyptic number.

164131165480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164131165480 is an abundant number, since it is smaller than the sum of its proper divisors (227024398760).

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

164131165480 is a wasteful number, since it uses less digits than its factorization.

164131165480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84718 (or 84714 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 164131165480 in words is "one hundred sixty-four billion, one hundred thirty-one million, one hundred sixty-five thousand, four hundred eighty".