16151161615 has 4 divisors (see below), whose sum is σ = 19381393944. Its totient is φ = 12920929288.

The previous prime is 16151161589. The next prime is 16151161619. The reversal of 16151161615 is 51616115161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16151161615 - 2¹³ = 16151153423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16151161619) 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, 1615116157 + ... + 1615116166.

It is an arithmetic number, because the mean of its divisors is an integer number (4845348486).

Almost surely, 2^16151161615 is an apocalyptic number.

16151161615 is a deficient number, since it is larger than the sum of its proper divisors (3230232329).

16151161615 is an equidigital number, since it uses as much as digits as its factorization.

16151161615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230232328.

The product of its digits is 5400, while the sum is 34.

Adding to 16151161615 its reverse (51616115161), we get a palindrome (67767276776).

The spelling of 16151161615 in words is "sixteen billion, one hundred fifty-one million, one hundred sixty-one thousand, six hundred fifteen".