63166374 has 48 divisors (see below), whose sum is σ = 144967680. Its totient is φ = 19822320.

The previous prime is 63166333. The next prime is 63166387. The reversal of 63166374 is 47366136.

It is a happy number.

63166374 is a `hidden beast` number, since 6 + 3 + 16 + 637 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64839 + ... + 65805.

It is an arithmetic number, because the mean of its divisors is an integer number (3020160).

Almost surely, 2^63166374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63166374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72483840).

63166374 is an abundant number, since it is smaller than the sum of its proper divisors (81801306).

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

63166374 is a wasteful number, since it uses less digits than its factorization.

63166374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1182 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 63166374 is about 7947.7275997608. The cubic root of 63166374 is about 398.2556836246.

The spelling of 63166374 in words is "sixty-three million, one hundred sixty-six thousand, three hundred seventy-four".