66677337434 has 8 divisors (see below), whose sum is σ = 100032112308. Its totient is φ = 33333300000.

The previous prime is 66677337409. The next prime is 66677337449. The reversal of 66677337434 is 43473377666.

It can be written as a sum of positive squares in 2 ways, for example, as 66484044025 + 193293409 = 257845^2 + 13903^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 66677337434.

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, 2668817 + ... + 2693684.

Almost surely, 2^66677337434 is an apocalyptic number.

66677337434 is a deficient number, since it is larger than the sum of its proper divisors (33354774874).

66677337434 is a wasteful number, since it uses less digits than its factorization.

66677337434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5368720.

The product of its digits is 32006016, while the sum is 56.

The spelling of 66677337434 in words is "sixty-six billion, six hundred seventy-seven million, three hundred thirty-seven thousand, four hundred thirty-four".