266101604 has 6 divisors (see below), whose sum is σ = 465677814. Its totient is φ = 133050800.

The previous prime is 266101601. The next prime is 266101607. The reversal of 266101604 is 406101662.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (266101601) and next prime (266101607).

It can be written as a sum of positive squares in only one way, i.e., 182196004 + 83905600 = 13498^2 + 9160^2 .

It is not an unprimeable number, because it can be changed into a prime (266101601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33262697 + ... + 33262704.

It is an arithmetic number, because the mean of its divisors is an integer number (77612969).

Almost surely, 2^266101604 is an apocalyptic number.

It is an amenable number.

266101604 is a deficient number, since it is larger than the sum of its proper divisors (199576210).

266101604 is a wasteful number, since it uses less digits than its factorization.

266101604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66525405 (or 66525403 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 266101604 is about 16312.6210033826. The cubic root of 266101604 is about 643.2046332317.

The spelling of 266101604 in words is "two hundred sixty-six million, one hundred one thousand, six hundred four".