670146048 has 400 divisors, whose sum is σ = 2370692016. Its totient is φ = 185794560.

The previous prime is 670146041. The next prime is 670146053. The reversal of 670146048 is 840641076.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670146041) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5930440 + ... + 5930552.

Almost surely, 2^670146048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670146048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1185346008).

670146048 is an abundant number, since it is smaller than the sum of its proper divisors (1700545968).

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

670146048 is a wasteful number, since it uses less digits than its factorization.

670146048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 670146048 is about 25887.1792206103. The cubic root of 670146048 is about 875.0975882449.

The spelling of 670146048 in words is "six hundred seventy million, one hundred forty-six thousand, forty-eight".