66152134697 has 48 divisors (see below), whose sum is σ = 80771644800. Its totient is φ = 53875852800.

The previous prime is 66152134679. The next prime is 66152134723. The reversal of 66152134697 is 79643125166.

It is not a de Polignac number, because 66152134697 - 2⁸ = 66152134441 is a prime.

It is a super-2 number, since 2×66152134697² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66152134297) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4227554 + ... + 4243172.

It is an arithmetic number, because the mean of its divisors is an integer number (1682742600).

Almost surely, 2^66152134697 is an apocalyptic number.

It is an amenable number.

66152134697 is a deficient number, since it is larger than the sum of its proper divisors (14619510103).

66152134697 is a wasteful number, since it uses less digits than its factorization.

66152134697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15758 (or 15747 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 50.

The spelling of 66152134697 in words is "sixty-six billion, one hundred fifty-two million, one hundred thirty-four thousand, six hundred ninety-seven".