662661313454610 has 160 divisors (see below), whose sum is σ = 1783541974294080. Its totient is φ = 176539195274112.

The previous prime is 662661313454599. The next prime is 662661313454633. The reversal of 662661313454610 is 16454313166266.

It is a happy number.

662661313454610 is a `hidden beast` number, since 6 + 6 + 2 + 6 + 6 + 1 + 3 + 13 + 4 + 5 + 4 + 610 = 666.

662661313454610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22476032929 + ... + 22476062411.

It is an arithmetic number, because the mean of its divisors is an integer number (11147137339338).

Almost surely, 2^{662661313454610} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662661313454610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891770987147040).

662661313454610 is an abundant number, since it is smaller than the sum of its proper divisors (1120880660839470).

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

662661313454610 is a wasteful number, since it uses less digits than its factorization.

662661313454610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55334 (or 55325 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 662661313454610 in words is "six hundred sixty-two trillion, six hundred sixty-one billion, three hundred thirteen million, four hundred fifty-four thousand, six hundred ten".