66350154 has 32 divisors (see below), whose sum is σ = 143345664. Its totient is φ = 20352960.

The previous prime is 66350149. The next prime is 66350197. The reversal of 66350154 is 45105366.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28764 + ... + 30984.

It is an arithmetic number, because the mean of its divisors is an integer number (4479552).

Almost surely, 2^66350154 is an apocalyptic number.

66350154 is an abundant number, since it is smaller than the sum of its proper divisors (76995510).

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

66350154 is a wasteful number, since it uses less digits than its factorization.

66350154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 66350154 is about 8145.5603858789. The cubic root of 66350154 is about 404.8374168325.

The spelling of 66350154 in words is "sixty-six million, three hundred fifty thousand, one hundred fifty-four".