70001851668 has 24 divisors (see below), whose sum is σ = 186671604672. Its totient is φ = 20000529024.

The previous prime is 70001851607. The next prime is 70001851693. The reversal of 70001851668 is 86615810007.

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 7 ways as a sum of consecutive naturals, for example, 416677605 + ... + 416677772.

It is an arithmetic number, because the mean of its divisors is an integer number (7777983528).

Almost surely, 2^70001851668 is an apocalyptic number.

It is an amenable number.

70001851668 is an abundant number, since it is smaller than the sum of its proper divisors (116669753004).

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

70001851668 is a wasteful number, since it uses less digits than its factorization.

70001851668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833355391 (or 833355389 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 70001851668 in words is "seventy billion, one million, eight hundred fifty-one thousand, six hundred sixty-eight".