3728122516 has 24 divisors (see below), whose sum is σ = 6734268800. Its totient is φ = 1804552992.

The previous prime is 3728122511. The next prime is 3728122523. The reversal of 3728122516 is 6152218273.

3728122516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728122511) 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, 33840 + ... + 92743.

Almost surely, 2^3728122516 is an apocalyptic number.

It is an amenable number.

3728122516 is a deficient number, since it is larger than the sum of its proper divisors (3006146284).

3728122516 is a wasteful number, since it uses less digits than its factorization.

3728122516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126823 (or 126821 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 3728122516 is about 61058.3533679054. The cubic root of 3728122516 is about 1550.5890949834.

The spelling of 3728122516 in words is "three billion, seven hundred twenty-eight million, one hundred twenty-two thousand, five hundred sixteen".