1470664666 has 16 divisors (see below), whose sum is σ = 2302771968. Its totient is φ = 703098000.

The previous prime is 1470664661. The next prime is 1470664667. The reversal of 1470664666 is 6664660741.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (1470664661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180991 + ... + 188941.

It is an arithmetic number, because the mean of its divisors is an integer number (143923248).

Almost surely, 2^1470664666 is an apocalyptic number.

1470664666 is a deficient number, since it is larger than the sum of its proper divisors (832107302).

1470664666 is a wasteful number, since it uses less digits than its factorization.

1470664666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11997.

The product of its (nonzero) digits is 870912, while the sum is 46.

The square root of 1470664666 is about 38349.2459639039. The cubic root of 1470664666 is about 1137.2027103137.

The spelling of 1470664666 in words is "one billion, four hundred seventy million, six hundred sixty-four thousand, six hundred sixty-six".