16061994 has 48 divisors (see below), whose sum is σ = 37975392. Its totient is φ = 4876704.

The previous prime is 16061989. The next prime is 16062023. The reversal of 16061994 is 49916061.

16061994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19009 + ... + 19835.

It is an arithmetic number, because the mean of its divisors is an integer number (791154).

Almost surely, 2^16061994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16061994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18987696).

16061994 is an abundant number, since it is smaller than the sum of its proper divisors (21913398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16061994 is a wasteful number, since it uses less digits than its factorization.

16061994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 16061994 is about 4007.7417581476. The cubic root of 16061994 is about 252.3092386582.

It can be divided in two parts, 1606 and 1994, that added together give a square (3600 = 60²).

The spelling of 16061994 in words is "sixteen million, sixty-one thousand, nine hundred ninety-four".