60666535 has 8 divisors (see below), whose sum is σ = 75148416. Its totient is φ = 46967520.

The previous prime is 60666533. The next prime is 60666581. The reversal of 60666535 is 53566606.

It is a happy number.

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

It is not a de Polignac number, because 60666535 - 2¹ = 60666533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60666494 and 60666503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60666533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195544 + ... + 195853.

It is an arithmetic number, because the mean of its divisors is an integer number (9393552).

Almost surely, 2^60666535 is an apocalyptic number.

60666535 is a deficient number, since it is larger than the sum of its proper divisors (14481881).

60666535 is a wasteful number, since it uses less digits than its factorization.

60666535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391433.

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

The square root of 60666535 is about 7788.8725114743. The cubic root of 60666535 is about 392.9310935483.

The spelling of 60666535 in words is "sixty million, six hundred sixty-six thousand, five hundred thirty-five".