380726166 has 16 divisors (see below), whose sum is σ = 768992688. Its totient is φ = 125652000.

The previous prime is 380726147. The next prime is 380726173. The reversal of 380726166 is 661627083.

380726166 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 313525 + ... + 314736.

It is an arithmetic number, because the mean of its divisors is an integer number (48062043).

Almost surely, 2^380726166 is an apocalyptic number.

380726166 is an abundant number, since it is smaller than the sum of its proper divisors (388266522).

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

380726166 is a wasteful number, since it uses less digits than its factorization.

380726166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628367.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 380726166 is about 19512.2055647228. The cubic root of 380726166 is about 724.7767309326.

The spelling of 380726166 in words is "three hundred eighty million, seven hundred twenty-six thousand, one hundred sixty-six".