66660000001476 has 48 divisors (see below), whose sum is σ = 177765012324480. Its totient is φ = 19045177251840.

The previous prime is 66660000001391. The next prime is 66660000001477. The reversal of 66660000001476 is 67410000006666.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (66660000001477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8186691 + ... + 14154218.

It is an arithmetic number, because the mean of its divisors is an integer number (3703437756760).

Almost surely, 2^{66660000001476} is an apocalyptic number.

It is an amenable number.

66660000001476 is an abundant number, since it is smaller than the sum of its proper divisors (111105012323004).

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

66660000001476 is a wasteful number, since it uses less digits than its factorization.

66660000001476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22376444 (or 22376442 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 66660000001476 in words is "sixty-six trillion, six hundred sixty billion, one thousand, four hundred seventy-six".