16157047 has 2 divisors, whose sum is σ = 16157048. Its totient is φ = 16157046.

The previous prime is 16157041. The next prime is 16157069. The reversal of 16157047 is 74075161.

It is a weak prime.

It is an emirp because it is prime and its reverse (74075161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16157047 is a prime.

It is a super-2 number, since 2×16157047² = 522100335520418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16157041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8078523 + 8078524.

It is an arithmetic number, because the mean of its divisors is an integer number (8078524).

Almost surely, 2^16157047 is an apocalyptic number.

16157047 is a deficient number, since it is larger than the sum of its proper divisors (1).

16157047 is an equidigital number, since it uses as much as digits as its factorization.

16157047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 16157047 is about 4019.5829385646. The cubic root of 16157047 is about 252.8059722508.

The spelling of 16157047 in words is "sixteen million, one hundred fifty-seven thousand, forty-seven".