378166552 has 16 divisors (see below), whose sum is σ = 739891440. Its totient is φ = 180862176.

The previous prime is 378166549. The next prime is 378166571. The reversal of 378166552 is 255661873.

It is a junction number, because it is equal to n+sod(n) for n = 378166499 and 378166508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027443 + ... + 1027810.

It is an arithmetic number, because the mean of its divisors is an integer number (46243215).

Almost surely, 2^378166552 is an apocalyptic number.

It is an amenable number.

378166552 is a deficient number, since it is larger than the sum of its proper divisors (361724888).

378166552 is a wasteful number, since it uses less digits than its factorization.

378166552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055282 (or 2055278 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 378166552 is about 19446.5048787693. The cubic root of 378166552 is about 723.1488578432.

The spelling of 378166552 in words is "three hundred seventy-eight million, one hundred sixty-six thousand, five hundred fifty-two".