164668447372 has 48 divisors (see below), whose sum is σ = 356367513600. Its totient is φ = 65455248960.

The previous prime is 164668447357. The next prime is 164668447387. The reversal of 164668447372 is 273744866461.

It is an interprime number because it is at equal distance from previous prime (164668447357) and next prime (164668447387).

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, 7564972 + ... + 7586707.

It is an arithmetic number, because the mean of its divisors is an integer number (7424323200).

Almost surely, 2^164668447372 is an apocalyptic number.

It is an amenable number.

164668447372 is an abundant number, since it is smaller than the sum of its proper divisors (191699066228).

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

164668447372 is a wasteful number, since it uses less digits than its factorization.

164668447372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15151726 (or 15151724 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 58.

The spelling of 164668447372 in words is "one hundred sixty-four billion, six hundred sixty-eight million, four hundred forty-seven thousand, three hundred seventy-two".