16157901 has 8 divisors (see below), whose sum is σ = 22286880. Its totient is φ = 10400432.

The previous prime is 16157899. The next prime is 16157903. The reversal of 16157901 is 10975161.

It is an interprime number because it is at equal distance from previous prime (16157899) and next prime (16157903).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16157901 - 2¹ = 16157899 is a prime.

It is a super-2 number, since 2×16157901² = 522155529451602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16157903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92775 + ... + 92948.

It is an arithmetic number, because the mean of its divisors is an integer number (2785860).

Almost surely, 2^16157901 is an apocalyptic number.

It is an amenable number.

16157901 is a deficient number, since it is larger than the sum of its proper divisors (6128979).

16157901 is a wasteful number, since it uses less digits than its factorization.

16157901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185755.

The product of its (nonzero) digits is 1890, while the sum is 30.

The square root of 16157901 is about 4019.6891670874. The cubic root of 16157901 is about 252.8104262928.

The spelling of 16157901 in words is "sixteen million, one hundred fifty-seven thousand, nine hundred one".