16000061 has 16 divisors (see below), whose sum is σ = 20594688. Its totient is φ = 12063600.

The previous prime is 16000057. The next prime is 16000079.

16000061 is nontrivially palindromic in base 10.

16000061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16000061 - 2² = 16000057 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 (16000081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965 + ... + 5738.

It is an arithmetic number, because the mean of its divisors is an integer number (1287168).

Almost surely, 2^16000061 is an apocalyptic number.

16000061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16000061 is a deficient number, since it is larger than the sum of its proper divisors (4594627).

16000061 is a wasteful number, since it uses less digits than its factorization.

16000061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 16000061 is about 4000.0076249927. The cubic root of 16000061 is about 251.9845302085.

It can be divided in two parts, 160000 and 61, that added together give a palindrome (160061).

The spelling of 16000061 in words is "sixteen million, sixty-one", and thus it is an aban number and an uban number.