66674673334 has 8 divisors (see below), whose sum is σ = 103238203968. Its totient is φ = 32261938680.

The previous prime is 66674673323. The next prime is 66674673349. The reversal of 66674673334 is 43337647666.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×66674673334² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537698917 + ... + 537699040.

It is an arithmetic number, because the mean of its divisors is an integer number (12904775496).

Almost surely, 2^66674673334 is an apocalyptic number.

66674673334 is a deficient number, since it is larger than the sum of its proper divisors (36563530634).

66674673334 is a wasteful number, since it uses less digits than its factorization.

66674673334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075397990.

The product of its digits is 27433728, while the sum is 55.

The spelling of 66674673334 in words is "sixty-six billion, six hundred seventy-four million, six hundred seventy-three thousand, three hundred thirty-four".