63666225154 has 8 divisors (see below), whose sum is σ = 109142100288. Its totient is φ = 27285525060.

The previous prime is 63666225113. The next prime is 63666225157. The reversal of 63666225154 is 45152266636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (63666225157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2273793742 + ... + 2273793769.

It is an arithmetic number, because the mean of its divisors is an integer number (13642762536).

Almost surely, 2^63666225154 is an apocalyptic number.

63666225154 is a deficient number, since it is larger than the sum of its proper divisors (45475875134).

63666225154 is a wasteful number, since it uses less digits than its factorization.

63666225154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547587520.

The product of its digits is 1555200, while the sum is 46.

The spelling of 63666225154 in words is "sixty-three billion, six hundred sixty-six million, two hundred twenty-five thousand, one hundred fifty-four".