37118315648 has 24 divisors (see below), whose sum is σ = 73950987105. Its totient is φ = 18558067968.

The previous prime is 37118315639. The next prime is 37118315671. The reversal of 37118315648 is 84651381173.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 33412915264 + 3705400384 = 182792^2 + 60872^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=136232.

It is a super-3 number, since 3×37118315648³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2171198 + ... + 2188226.

Almost surely, 2^37118315648 is an apocalyptic number.

It is an amenable number.

37118315648 is a deficient number, since it is larger than the sum of its proper divisors (36832671457).

37118315648 is an frugal number, since it uses more digits than its factorization.

37118315648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34072 (or 17031 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The spelling of 37118315648 in words is "thirty-seven billion, one hundred eighteen million, three hundred fifteen thousand, six hundred forty-eight".