16157899 has 2 divisors, whose sum is σ = 16157900. Its totient is φ = 16157898.

The previous prime is 16157887. The next prime is 16157903. The reversal of 16157899 is 99875161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16157899 - 2¹¹ = 16155851 is a prime.

It is a super-2 number, since 2×16157899² = 522155400188402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16157839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8078949 + 8078950.

It is an arithmetic number, because the mean of its divisors is an integer number (8078950).

Almost surely, 2^16157899 is an apocalyptic number.

16157899 is a deficient number, since it is larger than the sum of its proper divisors (1).

16157899 is an equidigital number, since it uses as much as digits as its factorization.

16157899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 46.

The square root of 16157899 is about 4019.6889183120. The cubic root of 16157899 is about 252.8104158620.

The spelling of 16157899 in words is "sixteen million, one hundred fifty-seven thousand, eight hundred ninety-nine".