164685190120620 has 96 divisors (see below), whose sum is σ = 508137774557952. Its totient is φ = 39595151248128.

The previous prime is 164685190120613. The next prime is 164685190120687. The reversal of 164685190120620 is 26021091586461.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2455022962 + ... + 2455090041.

It is an arithmetic number, because the mean of its divisors is an integer number (5293101818312).

Almost surely, 2^{164685190120620} is an apocalyptic number.

164685190120620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164685190120620 is an abundant number, since it is smaller than the sum of its proper divisors (343452584437332).

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

164685190120620 is a wasteful number, since it uses less digits than its factorization.

164685190120620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910113071 (or 4910113069 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 164685190120620 in words is "one hundred sixty-four trillion, six hundred eighty-five billion, one hundred ninety million, one hundred twenty thousand, six hundred twenty".