66201674 has 16 divisors (see below), whose sum is σ = 123806016. Its totient is φ = 25792800.

The previous prime is 66201631. The next prime is 66201677. The reversal of 66201674 is 47610266.

It is a self number, because there is not a number n which added to its sum of digits gives 66201674.

It is not an unprimeable number, because it can be changed into a prime (66201677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214787 + ... + 215094.

It is an arithmetic number, because the mean of its divisors is an integer number (7737876).

Almost surely, 2^66201674 is an apocalyptic number.

66201674 is a deficient number, since it is larger than the sum of its proper divisors (57604342).

66201674 is a wasteful number, since it uses less digits than its factorization.

66201674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429901.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 66201674 is about 8136.4411139023. The cubic root of 66201674 is about 404.5352062593.

The spelling of 66201674 in words is "sixty-six million, two hundred one thousand, six hundred seventy-four".