16149934 has 4 divisors (see below), whose sum is σ = 24224904. Its totient is φ = 8074966.

The previous prime is 16149901. The next prime is 16149989. The reversal of 16149934 is 43994161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43994161 = 1367 ⋅32183.

It is a junction number, because it is equal to n+sod(n) for n = 16149893 and 16149902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4037482 + ... + 4037485.

It is an arithmetic number, because the mean of its divisors is an integer number (6056226).

Almost surely, 2^16149934 is an apocalyptic number.

16149934 is a deficient number, since it is larger than the sum of its proper divisors (8074970).

16149934 is an equidigital number, since it uses as much as digits as its factorization.

16149934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8074969.

The product of its digits is 23328, while the sum is 37.

The square root of 16149934 is about 4018.6980478757. The cubic root of 16149934 is about 252.7688682588.

The spelling of 16149934 in words is "sixteen million, one hundred forty-nine thousand, nine hundred thirty-four".