16151238268091 has 16 divisors (see below), whose sum is σ = 16380678021120. Its totient is φ = 15923328516480.

The previous prime is 16151238268063. The next prime is 16151238268103. The reversal of 16151238268091 is 19086283215161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16151238268091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16151238268001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565525070 + ... + 565553628.

It is an arithmetic number, because the mean of its divisors is an integer number (1023792376320).

Almost surely, 2^{16151238268091} is an apocalyptic number.

16151238268091 is a deficient number, since it is larger than the sum of its proper divisors (229439753029).

16151238268091 is a wasteful number, since it uses less digits than its factorization.

16151238268091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55066.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 16151238268091 in words is "sixteen trillion, one hundred fifty-one billion, two hundred thirty-eight million, two hundred sixty-eight thousand, ninety-one".