15916061 has 8 divisors (see below), whose sum is σ = 18215424. Its totient is φ = 13623120.

The previous prime is 15916049. The next prime is 15916067. The reversal of 15916061 is 16061951.

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

It is not a de Polignac number, because 15916061 - 2¹⁰ = 15915037 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 (15916067) 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, 6356 + ... + 8498.

It is an arithmetic number, because the mean of its divisors is an integer number (2276928).

Almost surely, 2^15916061 is an apocalyptic number.

It is an amenable number.

15916061 is a deficient number, since it is larger than the sum of its proper divisors (2299363).

15916061 is a wasteful number, since it uses less digits than its factorization.

15916061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 15916061 is about 3989.4938275425. The cubic root of 15916061 is about 251.5427850064.

The spelling of 15916061 in words is "fifteen million, nine hundred sixteen thousand, sixty-one".