16061949 has 16 divisors (see below), whose sum is σ = 23859840. Its totient is φ = 10679040.

The previous prime is 16061917. The next prime is 16061951. The reversal of 16061949 is 94916061.

16061949 is a `hidden beast` number, since 1 + 606 + 1 + 9 + 49 = 666.

It is not a de Polignac number, because 16061949 - 2⁵ = 16061917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16061989) 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, 15064 + ... + 16094.

It is an arithmetic number, because the mean of its divisors is an integer number (1491240).

Almost surely, 2^16061949 is an apocalyptic number.

It is an amenable number.

16061949 is a deficient number, since it is larger than the sum of its proper divisors (7797891).

16061949 is a wasteful number, since it uses less digits than its factorization.

16061949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1611 counting only the distinct ones).

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

The square root of 16061949 is about 4007.7361440095. The cubic root of 16061949 is about 252.3090030310.

The spelling of 16061949 in words is "sixteen million, sixty-one thousand, nine hundred forty-nine".