66570455150 has 12 divisors (see below), whose sum is σ = 123821046672. Its totient is φ = 26628182040.

The previous prime is 66570455143. The next prime is 66570455153. The reversal of 66570455150 is 5155407566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66570455153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 665704502 + ... + 665704601.

It is an arithmetic number, because the mean of its divisors is an integer number (10318420556).

Almost surely, 2^66570455150 is an apocalyptic number.

66570455150 is a deficient number, since it is larger than the sum of its proper divisors (57250591522).

66570455150 is a wasteful number, since it uses less digits than its factorization.

66570455150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331409115 (or 1331409110 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 44.

The spelling of 66570455150 in words is "sixty-six billion, five hundred seventy million, four hundred fifty-five thousand, one hundred fifty".