3816816654 has 64 divisors (see below), whose sum is σ = 8958749184. Its totient is φ = 1061375616.

The previous prime is 3816816623. The next prime is 3816816667. The reversal of 3816816654 is 4566186183.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525552 + ... + 532764.

It is an arithmetic number, because the mean of its divisors is an integer number (139980456).

Almost surely, 2^3816816654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3816816654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4479374592).

3816816654 is an abundant number, since it is smaller than the sum of its proper divisors (5141932530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3816816654 is a wasteful number, since it uses less digits than its factorization.

3816816654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7561.

The product of its digits is 829440, while the sum is 48.

The square root of 3816816654 is about 61780.3905296818. The cubic root of 3816816654 is about 1562.7893135867.

The spelling of 3816816654 in words is "three billion, eight hundred sixteen million, eight hundred sixteen thousand, six hundred fifty-four".