168231455700 has 288 divisors, whose sum is σ = 623261442048. Its totient is φ = 34012224000.

The previous prime is 168231455699. The next prime is 168231455713. The reversal of 168231455700 is 7554132861.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 756285 + ... + 953115.

Almost surely, 2^168231455700 is an apocalyptic number.

168231455700 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 168231455700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311630721024).

168231455700 is an abundant number, since it is smaller than the sum of its proper divisors (455029986348).

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

168231455700 is a wasteful number, since it uses less digits than its factorization.

168231455700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196903 (or 196896 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 168231455700 in words is "one hundred sixty-eight billion, two hundred thirty-one million, four hundred fifty-five thousand, seven hundred".