61172833394 has 8 divisors (see below), whose sum is σ = 91770849408. Its totient is φ = 30582550260.

The previous prime is 61172833369. The next prime is 61172833471. The reversal of 61172833394 is 49333827116.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913402 + ... + 1945109.

It is an arithmetic number, because the mean of its divisors is an integer number (11471356176).

Almost surely, 2^61172833394 is an apocalyptic number.

61172833394 is a deficient number, since it is larger than the sum of its proper divisors (30598016014).

61172833394 is a wasteful number, since it uses less digits than its factorization.

61172833394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866440.

The product of its digits is 653184, while the sum is 47.

The spelling of 61172833394 in words is "sixty-one billion, one hundred seventy-two million, eight hundred thirty-three thousand, three hundred ninety-four".