61676158 has 4 divisors (see below), whose sum is σ = 92514240. Its totient is φ = 30838078.

The previous prime is 61676137. The next prime is 61676159. The reversal of 61676158 is 85167616.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 61676158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61676159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15419038 + ... + 15419041.

It is an arithmetic number, because the mean of its divisors is an integer number (23128560).

Almost surely, 2^61676158 is an apocalyptic number.

61676158 is a deficient number, since it is larger than the sum of its proper divisors (30838082).

61676158 is a wasteful number, since it uses less digits than its factorization.

61676158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30838081.

The product of its digits is 60480, while the sum is 40.

The square root of 61676158 is about 7853.4169633351. The cubic root of 61676158 is about 395.0988547111.

The spelling of 61676158 in words is "sixty-one million, six hundred seventy-six thousand, one hundred fifty-eight".