16077493 has 4 divisors (see below), whose sum is σ = 16090668. Its totient is φ = 16064320.

The previous prime is 16077491. The next prime is 16077511. The reversal of 16077493 is 39477061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4401604 + 11675889 = 2098^2 + 3417^2 .

It is a cyclic number.

It is not a de Polignac number, because 16077493 - 2¹ = 16077491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16077491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4546 + ... + 7267.

It is an arithmetic number, because the mean of its divisors is an integer number (4022667).

Almost surely, 2^16077493 is an apocalyptic number.

It is an amenable number.

16077493 is a deficient number, since it is larger than the sum of its proper divisors (13175).

16077493 is a wasteful number, since it uses less digits than its factorization.

16077493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13174.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 16077493 is about 4009.6749244795. The cubic root of 16077493 is about 252.3903677247.

The spelling of 16077493 in words is "sixteen million, seventy-seven thousand, four hundred ninety-three".