16345061 has 4 divisors (see below), whose sum is σ = 16360812. Its totient is φ = 16329312.

The previous prime is 16345057. The next prime is 16345081. The reversal of 16345061 is 16054361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16054361 = 139 ⋅115499.

It can be written as a sum of positive squares in 2 ways, for example, as 297025 + 16048036 = 545^2 + 4006^2 .

It is a cyclic number.

It is not a de Polignac number, because 16345061 - 2² = 16345057 is a prime.

It is a super-2 number, since 2×16345061² = 534322038187442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16345061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16345051) 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, 6200 + ... + 8433.

It is an arithmetic number, because the mean of its divisors is an integer number (4090203).

Almost surely, 2^16345061 is an apocalyptic number.

It is an amenable number.

16345061 is a deficient number, since it is larger than the sum of its proper divisors (15751).

16345061 is a wasteful number, since it uses less digits than its factorization.

16345061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15750.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 16345061 is about 4042.9025464386. The cubic root of 16345061 is about 253.7827983845.

The spelling of 16345061 in words is "sixteen million, three hundred forty-five thousand, sixty-one".