168917597340 has 96 divisors (see below), whose sum is σ = 506024279040. Its totient is φ = 41974329600.

The previous prime is 168917597333. The next prime is 168917597363. The reversal of 168917597340 is 43795719861.

It is a super-2 number, since 2×168917597340² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 1144996 + ... + 1284075.

It is an arithmetic number, because the mean of its divisors is an integer number (5271086240).

Almost surely, 2^168917597340 is an apocalyptic number.

168917597340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168917597340 is an abundant number, since it is smaller than the sum of its proper divisors (337106681700).

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

168917597340 is a wasteful number, since it uses less digits than its factorization.

168917597340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429163 (or 2429161 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 168917597340 in words is "one hundred sixty-eight billion, nine hundred seventeen million, five hundred ninety-seven thousand, three hundred forty".