10618994894 has 8 divisors (see below), whose sum is σ = 16358992248. Its totient is φ = 5165997480.

The previous prime is 10618994833. The next prime is 10618994909. The reversal of 10618994894 is 49849981601.

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

It is a super-2 number, since 2×10618994894² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 71749892 + ... + 71750039.

It is an arithmetic number, because the mean of its divisors is an integer number (2044874031).

Almost surely, 2^10618994894 is an apocalyptic number.

10618994894 is a deficient number, since it is larger than the sum of its proper divisors (5739997354).

10618994894 is a wasteful number, since it uses less digits than its factorization.

10618994894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143499970.

The product of its (nonzero) digits is 4478976, while the sum is 59.

The spelling of 10618994894 in words is "ten billion, six hundred eighteen million, nine hundred ninety-four thousand, eight hundred ninety-four".