1902740164 has 36 divisors (see below), whose sum is σ = 3809308804. Its totient is φ = 826523136.

The previous prime is 1902740149. The next prime is 1902740171. The reversal of 1902740164 is 4610472091.

It can be written as a sum of positive squares in 6 ways, for example, as 50126400 + 1852613764 = 7080^2 + 43042^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48279 + ... + 78334.

Almost surely, 2^1902740164 is an apocalyptic number.

It is an amenable number.

1902740164 is an abundant number, since it is smaller than the sum of its proper divisors (1906568640).

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

1902740164 is a wasteful number, since it uses less digits than its factorization.

1902740164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126664 (or 126645 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1902740164 is about 43620.4099476380. The cubic root of 1902740164 is about 1239.1574583459.

The spelling of 1902740164 in words is "one billion, nine hundred two million, seven hundred forty thousand, one hundred sixty-four".