169739196380 has 96 divisors (see below), whose sum is σ = 400730899968. Its totient is φ = 59922720000.

The previous prime is 169739196349. The next prime is 169739196409. The reversal of 169739196380 is 83691937961.

It is a super-2 number, since 2×169739196380² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 19436615 + ... + 19445345.

It is an arithmetic number, because the mean of its divisors is an integer number (4174280208).

Almost surely, 2^169739196380 is an apocalyptic number.

169739196380 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 169739196380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200365449984).

169739196380 is an abundant number, since it is smaller than the sum of its proper divisors (230991703588).

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

169739196380 is a wasteful number, since it uses less digits than its factorization.

169739196380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12027 (or 12025 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 62.

The spelling of 169739196380 in words is "one hundred sixty-nine billion, seven hundred thirty-nine million, one hundred ninety-six thousand, three hundred eighty".