61612006 has 4 divisors (see below), whose sum is σ = 92418012. Its totient is φ = 30806002.

The previous prime is 61611959. The next prime is 61612027. The reversal of 61612006 is 60021616.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 15403000 + ... + 15403003.

It is an arithmetic number, because the mean of its divisors is an integer number (23104503).

Almost surely, 2^61612006 is an apocalyptic number.

61612006 is a deficient number, since it is larger than the sum of its proper divisors (30806006).

61612006 is a wasteful number, since it uses less digits than its factorization.

61612006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30806005.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 61612006 is about 7849.3315638977. The cubic root of 61612006 is about 394.9618208038.

The spelling of 61612006 in words is "sixty-one million, six hundred twelve thousand, six".