147561930666 has 24 divisors (see below), whose sum is σ = 321125972544. Its totient is φ = 48970624680.

The previous prime is 147561930653. The next prime is 147561930667. The reversal of 147561930666 is 666039165741.

It is a happy number.

147561930666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (147561930667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18052930 + ... + 18061101.

It is an arithmetic number, because the mean of its divisors is an integer number (13380248856).

Almost surely, 2^147561930666 is an apocalyptic number.

147561930666 is an abundant number, since it is smaller than the sum of its proper divisors (173564041878).

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

147561930666 is a wasteful number, since it uses less digits than its factorization.

147561930666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36114266 (or 36114263 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 147561930666 in words is "one hundred forty-seven billion, five hundred sixty-one million, nine hundred thirty thousand, six hundred sixty-six".