168998276160 has 672 divisors, whose sum is σ = 680491798272. Its totient is φ = 37696389120.

The previous prime is 168998276131. The next prime is 168998276327. The reversal of 168998276160 is 61672899861.

168998276160 is a `hidden beast` number, since 1 + 6 + 8 + 9 + 9 + 8 + 2 + 7 + 616 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 295968675 + ... + 295969245.

Almost surely, 2^168998276160 is an apocalyptic number.

168998276160 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 168998276160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340245899136).

168998276160 is an abundant number, since it is smaller than the sum of its proper divisors (511493522112).

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

168998276160 is a wasteful number, since it uses less digits than its factorization.

168998276160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 168998276160 in words is "one hundred sixty-eight billion, nine hundred ninety-eight million, two hundred seventy-six thousand, one hundred sixty".