66150752 has 12 divisors (see below), whose sum is σ = 130234356. Its totient is φ = 33075360.

The previous prime is 66150739. The next prime is 66150767. The reversal of 66150752 is 25705166.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 2067211 = 66150752 / (6 + 6 + 1 + 5 + 0 + 7 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033574 + ... + 1033637.

It is an arithmetic number, because the mean of its divisors is an integer number (10852863).

Almost surely, 2^66150752 is an apocalyptic number.

It is an amenable number.

66150752 is a deficient number, since it is larger than the sum of its proper divisors (64083604).

66150752 is a wasteful number, since it uses less digits than its factorization.

66150752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067221 (or 2067213 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 66150752 is about 8133.3112568006. The cubic root of 66150752 is about 404.4314574942.

The spelling of 66150752 in words is "sixty-six million, one hundred fifty thousand, seven hundred fifty-two".