1826505664 has 56 divisors (see below), whose sum is σ = 3665906816. Its totient is φ = 902880000.

The previous prime is 1826505643. The next prime is 1826505673. The reversal of 1826505664 is 4665056281.

It is a super-2 number, since 2×1826505664² = 6672245881248161792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1826505664.

It is a congruent number.

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, 3198499 + ... + 3199069.

Almost surely, 2^1826505664 is an apocalyptic number.

It is an amenable number.

1826505664 is an abundant number, since it is smaller than the sum of its proper divisors (1839401152).

1826505664 is a wasteful number, since it uses less digits than its factorization.

1826505664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 1826505664 is about 42737.6375575441. The cubic root of 1826505664 is about 1222.3821734515.

The spelling of 1826505664 in words is "one billion, eight hundred twenty-six million, five hundred five thousand, six hundred sixty-four".