169420280680 has 64 divisors (see below), whose sum is σ = 454593565440. Its totient is φ = 55561431552.

The previous prime is 169420280677. The next prime is 169420280719. The reversal of 169420280680 is 86082024961.

169420280680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 169420280680.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13147309 + ... + 13160188.

It is an arithmetic number, because the mean of its divisors is an integer number (7103024460).

Almost surely, 2^169420280680 is an apocalyptic number.

169420280680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169420280680 is an abundant number, since it is smaller than the sum of its proper divisors (285173284760).

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

169420280680 is a wasteful number, since it uses less digits than its factorization.

169420280680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26307538 (or 26307534 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 169420280680 in words is "one hundred sixty-nine billion, four hundred twenty million, two hundred eighty thousand, six hundred eighty".