66266152 has 8 divisors (see below), whose sum is σ = 124249050. Its totient is φ = 33133072.

The previous prime is 66266147. The next prime is 66266159. The reversal of 66266152 is 25166266.

It can be written as a sum of positive squares in only one way, i.e., 52620516 + 13645636 = 7254^2 + 3694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (66266159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4141627 + ... + 4141642.

Almost surely, 2^66266152 is an apocalyptic number.

It is an amenable number.

66266152 is a deficient number, since it is larger than the sum of its proper divisors (57982898).

66266152 is a wasteful number, since it uses less digits than its factorization.

66266152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8283275 (or 8283271 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 66266152 is about 8140.4024470538. The cubic root of 66266152 is about 404.6664977905. Note that the first 3 decimals are identical.

The spelling of 66266152 in words is "sixty-six million, two hundred sixty-six thousand, one hundred fifty-two".