1820086552 has 16 divisors (see below), whose sum is σ = 3414628800. Its totient is φ = 909518880.

The previous prime is 1820086523. The next prime is 1820086571. The reversal of 1820086552 is 2556800281.

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, 50599 + ... + 78742.

It is an arithmetic number, because the mean of its divisors is an integer number (213414300).

Almost surely, 2^1820086552 is an apocalyptic number.

It is an amenable number.

1820086552 is a deficient number, since it is larger than the sum of its proper divisors (1594542248).

1820086552 is a wasteful number, since it uses less digits than its factorization.

1820086552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131106 (or 131102 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 1820086552 is about 42662.4724084294. The cubic root of 1820086552 is about 1220.9485036268.

The spelling of 1820086552 in words is "one billion, eight hundred twenty million, eighty-six thousand, five hundred fifty-two".