68690160 has 480 divisors, whose sum is σ = 305337600. Its totient is φ = 14031360.

The previous prime is 68690137. The next prime is 68690161. The reversal of 68690160 is 6109686.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68690161) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1164211 + ... + 1164269.

It is an arithmetic number, because the mean of its divisors is an integer number (636120).

Almost surely, 2^68690160 is an apocalyptic number.

68690160 is a gapful number since it is divisible by the number (60) 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 68690160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152668800).

68690160 is an abundant number, since it is smaller than the sum of its proper divisors (236647440).

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

68690160 is a wasteful number, since it uses less digits than its factorization.

68690160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 68690160 is about 8287.9527025677. The cubic root of 68690160 is about 409.5417445938.

The spelling of 68690160 in words is "sixty-eight million, six hundred ninety thousand, one hundred sixty".