66150946358 has 16 divisors (see below), whose sum is σ = 113488684800. Its totient is φ = 28328639976.

The previous prime is 66150946349. The next prime is 66150946457. The reversal of 66150946358 is 85364905166.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794908 + ... + 1831391.

It is an arithmetic number, because the mean of its divisors is an integer number (7093042800).

Almost surely, 2^66150946358 is an apocalyptic number.

66150946358 is a deficient number, since it is larger than the sum of its proper divisors (47337738442).

66150946358 is a wasteful number, since it uses less digits than its factorization.

66150946358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627611.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 66150946358 in words is "sixty-six billion, one hundred fifty million, nine hundred forty-six thousand, three hundred fifty-eight".