66137483 has 4 divisors (see below), whose sum is σ = 67675608. Its totient is φ = 64599360.

The previous prime is 66137479. The next prime is 66137501. The reversal of 66137483 is 38473166.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66137483 - 2² = 66137479 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66137453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768998 + ... + 769083.

It is an arithmetic number, because the mean of its divisors is an integer number (16918902).

Almost surely, 2^66137483 is an apocalyptic number.

66137483 is a deficient number, since it is larger than the sum of its proper divisors (1538125).

66137483 is a wasteful number, since it uses less digits than its factorization.

66137483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538124.

The product of its digits is 72576, while the sum is 38.

The square root of 66137483 is about 8132.4954964636. The cubic root of 66137483 is about 404.4044144161.

The spelling of 66137483 in words is "sixty-six million, one hundred thirty-seven thousand, four hundred eighty-three".