6616154 has 4 divisors (see below), whose sum is σ = 9924234. Its totient is φ = 3308076.

The previous prime is 6616151. The next prime is 6616163. The reversal of 6616154 is 4516166.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4516166 = 2 ⋅2258083.

It can be written as a sum of positive squares in only one way, i.e., 6477025 + 139129 = 2545^2 + 373^2 .

It is not an unprimeable number, because it can be changed into a prime (6616151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1654037 + ... + 1654040.

Almost surely, 2^6616154 is an apocalyptic number.

6616154 is a deficient number, since it is larger than the sum of its proper divisors (3308080).

6616154 is a wasteful number, since it uses less digits than its factorization.

6616154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308079.

The product of its digits is 4320, while the sum is 29.

The square root of 6616154 is about 2572.1885622948. The cubic root of 6616154 is about 187.7306577639.

The spelling of 6616154 in words is "six million, six hundred sixteen thousand, one hundred fifty-four".