61161434 has 8 divisors (see below), whose sum is σ = 91806240. Its totient is φ = 30559356.

The previous prime is 61161431. The next prime is 61161469. The reversal of 61161434 is 43416116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61161431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6824 + ... + 12995.

It is an arithmetic number, because the mean of its divisors is an integer number (11475780).

Almost surely, 2^61161434 is an apocalyptic number.

61161434 is a deficient number, since it is larger than the sum of its proper divisors (30644806).

61161434 is a wasteful number, since it uses less digits than its factorization.

61161434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21364.

The product of its digits is 1728, while the sum is 26.

The square root of 61161434 is about 7820.5776001521. The cubic root of 61161434 is about 393.9966717061.

The spelling of 61161434 in words is "sixty-one million, one hundred sixty-one thousand, four hundred thirty-four".