70665489298560 has 512 divisors, whose sum is σ = 243626789145600. Its totient is φ = 17319091765248.

The previous prime is 70665489298559. The next prime is 70665489298561. The reversal of 70665489298560 is 6589298456607.

It is an interprime number because it is at equal distance from previous prime (70665489298559) and next prime (70665489298561).

It is a super-2 number, since 2×70665489298560² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70665489298561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18484300809 + ... + 18484304631.

It is an arithmetic number, because the mean of its divisors is an integer number (475833572550).

Almost surely, 2^{70665489298560} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70665489298560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121813394572800).

70665489298560 is an abundant number, since it is smaller than the sum of its proper divisors (172961299847040).

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

70665489298560 is a wasteful number, since it uses less digits than its factorization.

70665489298560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880 (or 6868 counting only the distinct ones).

The product of its (nonzero) digits is 1567641600, while the sum is 75.

The spelling of 70665489298560 in words is "seventy trillion, six hundred sixty-five billion, four hundred eighty-nine million, two hundred ninety-eight thousand, five hundred sixty".