375855399066 has 64 divisors (see below), whose sum is σ = 869905225728. Its totient is φ = 106037721408.

The previous prime is 375855399043. The next prime is 375855399077. The reversal of 375855399066 is 660993558573.

It is a happy number.

It is a super-2 number, since 2×375855399066² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 375855398988 and 375855399006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6850555 + ... + 6905201.

It is an arithmetic number, because the mean of its divisors is an integer number (13592269152).

Almost surely, 2^375855399066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 375855399066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434952612864).

375855399066 is an abundant number, since it is smaller than the sum of its proper divisors (494049826662).

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

375855399066 is a wasteful number, since it uses less digits than its factorization.

375855399066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56715.

The product of its (nonzero) digits is 183708000, while the sum is 66.

The spelling of 375855399066 in words is "three hundred seventy-five billion, eight hundred fifty-five million, three hundred ninety-nine thousand, sixty-six".