66664267410 has 64 divisors (see below), whose sum is σ = 173333405952. Its totient is φ = 16311388416.

The previous prime is 66664267403. The next prime is 66664267429. The reversal of 66664267410 is 1476246666.

It is a self number, because there is not a number n which added to its sum of digits gives 66664267410.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446649 + ... + 576908.

It is an arithmetic number, because the mean of its divisors is an integer number (2708334468).

Almost surely, 2^66664267410 is an apocalyptic number.

66664267410 is an abundant number, since it is smaller than the sum of its proper divisors (106669138542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66664267410 is a wasteful number, since it uses less digits than its factorization.

66664267410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023747.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 66664267410 in words is "sixty-six billion, six hundred sixty-four million, two hundred sixty-seven thousand, four hundred ten".