66313950 has 48 divisors (see below), whose sum is σ = 164999856. Its totient is φ = 17625600.

The previous prime is 66313927. The next prime is 66313963. The reversal of 66313950 is 5931366.

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, 64440 + ... + 65460.

It is an arithmetic number, because the mean of its divisors is an integer number (3437497).

Almost surely, 2^66313950 is an apocalyptic number.

66313950 is an abundant number, since it is smaller than the sum of its proper divisors (98685906).

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

66313950 is a wasteful number, since it uses less digits than its factorization.

66313950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 66313950 is about 8143.3377677707. The cubic root of 66313950 is about 404.7637701787.

The spelling of 66313950 in words is "sixty-six million, three hundred thirteen thousand, nine hundred fifty".