164968401580 has 24 divisors (see below), whose sum is σ = 348508103328. Its totient is φ = 65592225408.

The previous prime is 164968401553. The next prime is 164968401649. The reversal of 164968401580 is 85104869461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24692529 + ... + 24699208.

It is an arithmetic number, because the mean of its divisors is an integer number (14521170972).

Almost surely, 2^164968401580 is an apocalyptic number.

164968401580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164968401580 is an abundant number, since it is smaller than the sum of its proper divisors (183539701748).

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

164968401580 is a wasteful number, since it uses less digits than its factorization.

164968401580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49391913 (or 49391911 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 164968401580 in words is "one hundred sixty-four billion, nine hundred sixty-eight million, four hundred one thousand, five hundred eighty".