7126431516 has 120 divisors (see below), whose sum is σ = 19076770944. Its totient is φ = 2318958720.

The previous prime is 7126431511. The next prime is 7126431539. The reversal of 7126431516 is 6151346217.

7126431516 is a `hidden beast` number, since 7 + 1 + 2 + 643 + 1 + 5 + 1 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7126431511) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3828426 + ... + 3830286.

Almost surely, 2^7126431516 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 7126431516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9538385472).

7126431516 is an abundant number, since it is smaller than the sum of its proper divisors (11950339428).

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

7126431516 is a wasteful number, since it uses less digits than its factorization.

7126431516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153 (or 2142 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 7126431516 is about 84418.1942237572. The cubic root of 7126431516 is about 1924.3794269724.

The spelling of 7126431516 in words is "seven billion, one hundred twenty-six million, four hundred thirty-one thousand, five hundred sixteen".