216413692 has 12 divisors (see below), whose sum is σ = 413153496. Its totient is φ = 98369840.

The previous prime is 216413677. The next prime is 216413699. The reversal of 216413692 is 296314612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216413699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2459203 + ... + 2459290.

It is an arithmetic number, because the mean of its divisors is an integer number (34429458).

Almost surely, 2^216413692 is an apocalyptic number.

216413692 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

216413692 is a deficient number, since it is larger than the sum of its proper divisors (196739804).

216413692 is a wasteful number, since it uses less digits than its factorization.

216413692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4918508 (or 4918506 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 216413692 is about 14711.0058119763. The cubic root of 216413692 is about 600.3828038649.

The spelling of 216413692 in words is "two hundred sixteen million, four hundred thirteen thousand, six hundred ninety-two".