173949694860 has 192 divisors, whose sum is σ = 507567513600. Its totient is φ = 44458444800.

The previous prime is 173949694823. The next prime is 173949694871. The reversal of 173949694860 is 68496949371.

It is a super-2 number, since 2×173949694860² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 173949694791 and 173949694800.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175528965 + ... + 175529955.

It is an arithmetic number, because the mean of its divisors is an integer number (2643580800).

Almost surely, 2^173949694860 is an apocalyptic number.

173949694860 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 173949694860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253783756800).

173949694860 is an abundant number, since it is smaller than the sum of its proper divisors (333617818740).

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

173949694860 is a wasteful number, since it uses less digits than its factorization.

173949694860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1670 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 66.

The spelling of 173949694860 in words is "one hundred seventy-three billion, nine hundred forty-nine million, six hundred ninety-four thousand, eight hundred sixty".