338666401822870 has 32 divisors (see below), whose sum is σ = 680483188788480. Its totient is φ = 120287432358240.

The previous prime is 338666401822849. The next prime is 338666401822927. The reversal of 338666401822870 is 78228104666833.

It is a happy number.

It is a super-2 number, since 2×338666401822870² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35799826330 + ... + 35799835789.

It is an arithmetic number, because the mean of its divisors is an integer number (21265099649640).

Almost surely, 2^{338666401822870} is an apocalyptic number.

338666401822870 is an abundant number, since it is smaller than the sum of its proper divisors (341816786965610).

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

338666401822870 is a wasteful number, since it uses less digits than its factorization.

338666401822870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71599662180.

The product of its (nonzero) digits is 111476736, while the sum is 64.

The spelling of 338666401822870 in words is "three hundred thirty-eight trillion, six hundred sixty-six billion, four hundred one million, eight hundred twenty-two thousand, eight hundred seventy".