378164850 has 144 divisors (see below), whose sum is σ = 1138909248. Its totient is φ = 82642560.

The previous prime is 378164837. The next prime is 378164851. The reversal of 378164850 is 58461873.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (378164851) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 167932 + ... + 170168.

It is an arithmetic number, because the mean of its divisors is an integer number (7909092).

Almost surely, 2^378164850 is an apocalyptic number.

378164850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 378164850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569454624).

378164850 is an abundant number, since it is smaller than the sum of its proper divisors (760744398).

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

378164850 is a wasteful number, since it uses less digits than its factorization.

378164850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289 (or 2277 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 378164850 is about 19446.4611176430. The cubic root of 378164850 is about 723.1477729586.

The spelling of 378164850 in words is "three hundred seventy-eight million, one hundred sixty-four thousand, eight hundred fifty".