10516781046 has 32 divisors (see below), whose sum is σ = 21108594816. Its totient is φ = 3493112000.

The previous prime is 10516781017. The next prime is 10516781047. The reversal of 10516781046 is 64018761501.

It is a super-2 number, since 2×10516781046² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10516780995 and 10516781013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10516781047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2239561 + ... + 2244251.

It is an arithmetic number, because the mean of its divisors is an integer number (659643588).

Almost surely, 2^10516781046 is an apocalyptic number.

10516781046 is an abundant number, since it is smaller than the sum of its proper divisors (10591813770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10516781046 is a wasteful number, since it uses less digits than its factorization.

10516781046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5948.

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 10516781046 in words is "ten billion, five hundred sixteen million, seven hundred eighty-one thousand, forty-six".