60535666 has 4 divisors (see below), whose sum is σ = 90803502. Its totient is φ = 30267832.

The previous prime is 60535661. The next prime is 60535667. The reversal of 60535666 is 66653506.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66653506 = 2 ⋅33326753.

It can be written as a sum of positive squares in only one way, i.e., 60140025 + 395641 = 7755^2 + 629^2 .

It is not an unprimeable number, because it can be changed into a prime (60535661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15133915 + ... + 15133918.

Almost surely, 2^60535666 is an apocalyptic number.

60535666 is a deficient number, since it is larger than the sum of its proper divisors (30267836).

60535666 is a wasteful number, since it uses less digits than its factorization.

60535666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30267835.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 60535666 is about 7780.4669525678. The cubic root of 60535666 is about 392.6483483213.

The spelling of 60535666 in words is "sixty million, five hundred thirty-five thousand, six hundred sixty-six".