60640266 has 16 divisors (see below), whose sum is σ = 121535424. Its totient is φ = 20170944.

The previous prime is 60640243. The next prime is 60640273. The reversal of 60640266 is 66204606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7455 + ... + 13298.

It is an arithmetic number, because the mean of its divisors is an integer number (7595964).

Almost surely, 2^60640266 is an apocalyptic number.

60640266 is an abundant number, since it is smaller than the sum of its proper divisors (60895158).

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

60640266 is a wasteful number, since it uses less digits than its factorization.

60640266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21245.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 60640266 is about 7787.1860129318. The cubic root of 60640266 is about 392.8743714632.

It can be divided in two parts, 60640 and 266, that added together give a palindrome (60906).

The spelling of 60640266 in words is "sixty million, six hundred forty thousand, two hundred sixty-six".