1370664906 has 64 divisors (see below), whose sum is σ = 3022935552. Its totient is φ = 411720192.

The previous prime is 1370664887. The next prime is 1370664923. The reversal of 1370664906 is 6094660731.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 962511 + ... + 963933.

It is an arithmetic number, because the mean of its divisors is an integer number (47233368).

Almost surely, 2^1370664906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1370664906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511467776).

1370664906 is an abundant number, since it is smaller than the sum of its proper divisors (1652270646).

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

1370664906 is a wasteful number, since it uses less digits than its factorization.

1370664906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 1370664906 is about 37022.4918934423. The cubic root of 1370664906 is about 1110.8201891954.

The spelling of 1370664906 in words is "one billion, three hundred seventy million, six hundred sixty-four thousand, nine hundred six".