61826794418 has 8 divisors (see below), whose sum is σ = 92743255920. Its totient is φ = 30912375780.

The previous prime is 61826794357. The next prime is 61826794451. The reversal of 61826794418 is 81449762816.

It is a happy number.

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, 432668 + ... + 557543.

It is an arithmetic number, because the mean of its divisors is an integer number (11592906990).

Almost surely, 2^61826794418 is an apocalyptic number.

61826794418 is a deficient number, since it is larger than the sum of its proper divisors (30916461502).

61826794418 is a wasteful number, since it uses less digits than its factorization.

61826794418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021432.

The product of its digits is 4644864, while the sum is 56.

The spelling of 61826794418 in words is "sixty-one billion, eight hundred twenty-six million, seven hundred ninety-four thousand, four hundred eighteen".