1406006664 has 16 divisors (see below), whose sum is σ = 3515016720. Its totient is φ = 468668880.

The previous prime is 1406006663. The next prime is 1406006677. The reversal of 1406006664 is 4666006041.

It is not an unprimeable number, because it can be changed into a prime (1406006663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29291782 + ... + 29291829.

It is an arithmetic number, because the mean of its divisors is an integer number (219688545).

Almost surely, 2^1406006664 is an apocalyptic number.

It is an amenable number.

1406006664 is an abundant number, since it is smaller than the sum of its proper divisors (2109010056).

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

1406006664 is a wasteful number, since it uses less digits than its factorization.

1406006664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58583620 (or 58583616 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1406006664 is about 37496.7553796325. The cubic root of 1406006664 is about 1120.2865614535.

The spelling of 1406006664 in words is "one billion, four hundred six million, six thousand, six hundred sixty-four".