61673994626 has 8 divisors (see below), whose sum is σ = 92879562384. Its totient is φ = 30714140500.

The previous prime is 61673994583. The next prime is 61673994631. The reversal of 61673994626 is 62649937616.

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

It is a super-2 number, since 2×61673994626² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 61427780 + ... + 61428783.

It is an arithmetic number, because the mean of its divisors is an integer number (11609945298).

Almost surely, 2^61673994626 is an apocalyptic number.

61673994626 is a deficient number, since it is larger than the sum of its proper divisors (31205567758).

61673994626 is a wasteful number, since it uses less digits than its factorization.

61673994626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122856816.

The product of its digits is 17635968, while the sum is 59.

The spelling of 61673994626 in words is "sixty-one billion, six hundred seventy-three million, nine hundred ninety-four thousand, six hundred twenty-six".