1826774164 has 12 divisors (see below), whose sum is σ = 3226184500. Its totient is φ = 905007168.

The previous prime is 1826774099. The next prime is 1826774179. The reversal of 1826774164 is 4614776281.

It can be written as a sum of positive squares in 2 ways, for example, as 1263091600 + 563682564 = 35540^2 + 23742^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2094489 + ... + 2095360.

Almost surely, 2^1826774164 is an apocalyptic number.

It is an amenable number.

1826774164 is a deficient number, since it is larger than the sum of its proper divisors (1399410336).

1826774164 is a wasteful number, since it uses less digits than its factorization.

1826774164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189962 (or 4189960 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 1826774164 is about 42740.7787013760. The cubic root of 1826774164 is about 1222.4420680613.

The spelling of 1826774164 in words is "one billion, eight hundred twenty-six million, seven hundred seventy-four thousand, one hundred sixty-four".