60666581437 has 16 divisors (see below), whose sum is σ = 76918233600. Its totient is φ = 46471425840.

The previous prime is 60666581431. The next prime is 60666581441. The reversal of 60666581437 is 73418566606.

It is a de Polignac number, because none of the positive numbers 2^k-60666581437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60666581431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6672387 + ... + 6681472.

It is an arithmetic number, because the mean of its divisors is an integer number (4807389600).

Almost surely, 2^60666581437 is an apocalyptic number.

It is an amenable number.

60666581437 is a deficient number, since it is larger than the sum of its proper divisors (16251652163).

60666581437 is a wasteful number, since it uses less digits than its factorization.

60666581437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13353936.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 60666581437 in words is "sixty billion, six hundred sixty-six million, five hundred eighty-one thousand, four hundred thirty-seven".