899732455966 has 16 divisors (see below), whose sum is σ = 1351293456384. Its totient is φ = 449301590584.

The previous prime is 899732455961. The next prime is 899732455967. The reversal of 899732455966 is 669554237998.

It is a super-2 number, since 2×899732455966² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899732455961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6387291 + ... + 6526633.

It is an arithmetic number, because the mean of its divisors is an integer number (84455841024).

Almost surely, 2^899732455966 is an apocalyptic number.

899732455966 is a deficient number, since it is larger than the sum of its proper divisors (451561000418).

899732455966 is a wasteful number, since it uses less digits than its factorization.

899732455966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143375.

The product of its digits is 881798400, while the sum is 73.

The spelling of 899732455966 in words is "eight hundred ninety-nine billion, seven hundred thirty-two million, four hundred fifty-five thousand, nine hundred sixty-six".