60666403655 has 32 divisors (see below), whose sum is σ = 85602242880. Its totient is φ = 40691220480.

The previous prime is 60666403649. The next prime is 60666403657. The reversal of 60666403655 is 55630466606.

It is not a de Polignac number, because 60666403655 - 2⁴ = 60666403639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60666403657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 787601 + ... + 861189.

It is an arithmetic number, because the mean of its divisors is an integer number (2675070090).

Almost surely, 2^60666403655 is an apocalyptic number.

60666403655 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

60666403655 is a deficient number, since it is larger than the sum of its proper divisors (24935839225).

60666403655 is a wasteful number, since it uses less digits than its factorization.

60666403655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74771.

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 60666403655 in words is "sixty billion, six hundred sixty-six million, four hundred three thousand, six hundred fifty-five".