169900076840 has 128 divisors (see below), whose sum is σ = 425376645120. Its totient is φ = 60649344000.

The previous prime is 169900076813. The next prime is 169900076869. The reversal of 169900076840 is 48670009961.

It is a super-2 number, since 2×169900076840² (a number of 23 digits) contains 22 as substring.

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, 18549542 + ... + 18558698.

It is an arithmetic number, because the mean of its divisors is an integer number (3323255040).

Almost surely, 2^169900076840 is an apocalyptic number.

169900076840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169900076840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212688322560).

169900076840 is an abundant number, since it is smaller than the sum of its proper divisors (255476568280).

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

169900076840 is a wasteful number, since it uses less digits than its factorization.

169900076840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10363 (or 10359 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 169900076840 in words is "one hundred sixty-nine billion, nine hundred million, seventy-six thousand, eight hundred forty".