3376981816 has 64 divisors (see below), whose sum is σ = 6918266880. Its totient is φ = 1536071040.

The previous prime is 3376981759. The next prime is 3376981837. The reversal of 3376981816 is 6181896733.

It is a super-3 number, since 3×3376981816³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2204971 + ... + 2206501.

It is an arithmetic number, because the mean of its divisors is an integer number (108097920).

Almost surely, 2^3376981816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3376981816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3459133440).

3376981816 is an abundant number, since it is smaller than the sum of its proper divisors (3541285064).

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

3376981816 is a wasteful number, since it uses less digits than its factorization.

3376981816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844 (or 1840 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 3376981816 is about 58111.8044462569. The cubic root of 3376981816 is about 1500.2935449209.

The spelling of 3376981816 in words is "three billion, three hundred seventy-six million, nine hundred eighty-one thousand, eight hundred sixteen".