168740920375 has 8 divisors (see below), whose sum is σ = 210588668784. Its totient is φ = 134992736200.

The previous prime is 168740920367. The next prime is 168740920427. The reversal of 168740920375 is 573029047861.

It is not a de Polignac number, because 168740920375 - 2³ = 168740920367 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

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, 674963557 + ... + 674963806.

It is an arithmetic number, because the mean of its divisors is an integer number (26323583598).

It is a 1-persistent number, because it is pandigital, but 2⋅168740920375 = 337481840750 is not.

Almost surely, 2^168740920375 is an apocalyptic number.

168740920375 is a deficient number, since it is larger than the sum of its proper divisors (41847748409).

168740920375 is an equidigital number, since it uses as much as digits as its factorization.

168740920375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349927378 (or 1349927368 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 168740920375 in words is "one hundred sixty-eight billion, seven hundred forty million, nine hundred twenty thousand, three hundred seventy-five".