16923154 has 4 divisors (see below), whose sum is σ = 25384734. Its totient is φ = 8461576.

The previous prime is 16923139. The next prime is 16923161. The reversal of 16923154 is 45132961.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11377129 + 5546025 = 3373^2 + 2355^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4230787 + ... + 4230790.

Almost surely, 2^16923154 is an apocalyptic number.

16923154 is a deficient number, since it is larger than the sum of its proper divisors (8461580).

16923154 is an equidigital number, since it uses as much as digits as its factorization.

16923154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8461579.

The product of its digits is 6480, while the sum is 31.

The square root of 16923154 is about 4113.7761241954. The cubic root of 16923154 is about 256.7401371351.

The spelling of 16923154 in words is "sixteen million, nine hundred twenty-three thousand, one hundred fifty-four".