16078061 has 4 divisors (see below), whose sum is σ = 16092732. Its totient is φ = 16063392.

The previous prime is 16078037. The next prime is 16078129. The reversal of 16078061 is 16087061.

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 9672100 + 6405961 = 3110^2 + 2531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16078061 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 (16078261) 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, 5546 + ... + 7931.

It is an arithmetic number, because the mean of its divisors is an integer number (4023183).

Almost surely, 2^16078061 is an apocalyptic number.

It is an amenable number.

16078061 is a deficient number, since it is larger than the sum of its proper divisors (14671).

16078061 is a wasteful number, since it uses less digits than its factorization.

16078061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14670.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 16078061 is about 4009.7457525384. The cubic root of 16078061 is about 252.3933399137.

The spelling of 16078061 in words is "sixteen million, seventy-eight thousand, sixty-one".