16141491 has 8 divisors (see below), whose sum is σ = 23913360. Its totient is φ = 10760976.

The previous prime is 16141481. The next prime is 16141493. The reversal of 16141491 is 19414161.

16141491 is a `hidden beast` number, since 1 + 614 + 1 + 49 + 1 = 666.

It is not a de Polignac number, because 16141491 - 2⁹ = 16140979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 597833 = 16141491 / (1 + 6 + 1 + 4 + 1 + 4 + 9 + 1).

It is not an unprimeable number, because it can be changed into a prime (16141493) 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, 298890 + ... + 298943.

It is an arithmetic number, because the mean of its divisors is an integer number (2989170).

Almost surely, 2^16141491 is an apocalyptic number.

16141491 is a deficient number, since it is larger than the sum of its proper divisors (7771869).

16141491 is an equidigital number, since it uses as much as digits as its factorization.

16141491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597842 (or 597836 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 16141491 is about 4017.6474459564. The cubic root of 16141491 is about 252.7248123603.

The spelling of 16141491 in words is "sixteen million, one hundred forty-one thousand, four hundred ninety-one".