16615150113232 has 30 divisors (see below), whose sum is σ = 35384433845474. Its totient is φ = 7552340959680.

The previous prime is 16615150113227. The next prime is 16615150113283. The reversal of 16615150113232 is 23231105151661.

It can be written as a sum of positive squares in only one way, i.e., 13121376054336 + 3493774058896 = 3622344^2 + 1869164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16615150113191 and 16615150113200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4291100883 + ... + 4291104754.

Almost surely, 2^{16615150113232} is an apocalyptic number.

It is an amenable number.

16615150113232 is an abundant number, since it is smaller than the sum of its proper divisors (18769283732242).

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

16615150113232 is a wasteful number, since it uses less digits than its factorization.

16615150113232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8582205667 (or 8582205650 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

Adding to 16615150113232 its reverse (23231105151661), we get a palindrome (39846255264893).

The spelling of 16615150113232 in words is "sixteen trillion, six hundred fifteen billion, one hundred fifty million, one hundred thirteen thousand, two hundred thirty-two".