183962820811 has 12 divisors (see below), whose sum is σ = 231093792496. Its totient is φ = 143347651920.

The previous prime is 183962820791. The next prime is 183962820827. The reversal of 183962820811 is 118028269381.

It is a happy number.

It is not a de Polignac number, because 183962820811 - 2¹³ = 183962812619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (183962820871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108595860 + ... + 108597553.

Almost surely, 2^183962820811 is an apocalyptic number.

183962820811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

183962820811 is a deficient number, since it is larger than the sum of its proper divisors (47130971685).

183962820811 is a wasteful number, since it uses less digits than its factorization.

183962820811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217193442 (or 217193431 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

The spelling of 183962820811 in words is "one hundred eighty-three billion, nine hundred sixty-two million, eight hundred twenty thousand, eight hundred eleven".