1475009664 has 64 divisors (see below), whose sum is σ = 3973250880. Its totient is φ = 484736000.

The previous prime is 1475009651. The next prime is 1475009671. The reversal of 1475009664 is 4669005741.

1475009664 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214 + ... + 54314.

It is an arithmetic number, because the mean of its divisors is an integer number (62082045).

Almost surely, 2^1475009664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1475009664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1986625440).

1475009664 is an abundant number, since it is smaller than the sum of its proper divisors (2498241216).

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

1475009664 is an equidigital number, since it uses as much as digits as its factorization.

1475009664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54189 (or 54177 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 1475009664 is about 38405.8545537005. The cubic root of 1475009664 is about 1138.3215435132.

The spelling of 1475009664 in words is "one billion, four hundred seventy-five million, nine thousand, six hundred sixty-four".