6161623 has 4 divisors (see below), whose sum is σ = 6635608. Its totient is φ = 5687640.

The previous prime is 6161609. The next prime is 6161629. The reversal of 6161623 is 3261616.

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

It is a cyclic number.

It is not a de Polignac number, because 6161623 - 2¹³ = 6153431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6161629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236973 + ... + 236998.

It is an arithmetic number, because the mean of its divisors is an integer number (1658902).

Almost surely, 2^6161623 is an apocalyptic number.

6161623 is a deficient number, since it is larger than the sum of its proper divisors (473985).

6161623 is a wasteful number, since it uses less digits than its factorization.

6161623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473984.

The product of its digits is 1296, while the sum is 25.

The square root of 6161623 is about 2482.2616703321. The cubic root of 6161623 is about 183.3292270889.

The spelling of 6161623 in words is "six million, one hundred sixty-one thousand, six hundred twenty-three".