168361403080 has 48 divisors (see below), whose sum is σ = 410194144980. Its totient is φ = 62164207872.

The previous prime is 168361403071. The next prime is 168361403117. The reversal of 168361403080 is 80304163861.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 55178949604 + 113182453476 = 234902^2 + 336426^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12446007 + ... + 12459526.

Almost surely, 2^168361403080 is an apocalyptic number.

168361403080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168361403080 is an abundant number, since it is smaller than the sum of its proper divisors (241832741900).

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

168361403080 is a wasteful number, since it uses less digits than its factorization.

168361403080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24905570 (or 24905553 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 168361403080 in words is "one hundred sixty-eight billion, three hundred sixty-one million, four hundred three thousand, eighty".