66119079 has 32 divisors (see below), whose sum is σ = 98461440. Its totient is φ = 39207168.

The previous prime is 66119071. The next prime is 66119113. The reversal of 66119079 is 97091166.

It is not a de Polignac number, because 66119079 - 2³ = 66119071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66119071) 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, 149032 + ... + 149474.

It is an arithmetic number, because the mean of its divisors is an integer number (3076920).

Almost surely, 2^66119079 is an apocalyptic number.

66119079 is a deficient number, since it is larger than the sum of its proper divisors (32342361).

66119079 is a wasteful number, since it uses less digits than its factorization.

66119079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 66119079 is about 8131.3639077341. The cubic root of 66119079 is about 404.3668998885.

The spelling of 66119079 in words is "sixty-six million, one hundred nineteen thousand, seventy-nine".