15161610049 has 4 divisors (see below), whose sum is σ = 15170706864. Its totient is φ = 15152513236.

The previous prime is 15161610043. The next prime is 15161610067. The reversal of 15161610049 is 94001616151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94001616151 = 647 ⋅145288433.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15161610049 is a prime.

It is a super-3 number, since 3×15161610049³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15161609996 and 15161610023.

It is not an unprimeable number, because it can be changed into a prime (15161610043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4545907 + ... + 4549240.

It is an arithmetic number, because the mean of its divisors is an integer number (3792676716).

Almost surely, 2^15161610049 is an apocalyptic number.

It is an amenable number.

15161610049 is a deficient number, since it is larger than the sum of its proper divisors (9096815).

15161610049 is an equidigital number, since it uses as much as digits as its factorization.

15161610049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9096814.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 15161610049 in words is "fifteen billion, one hundred sixty-one million, six hundred ten thousand, forty-nine".