10721774116 has 27 divisors (see below), whose sum is σ = 19623078363. Its totient is φ = 5125527000.

The previous prime is 10721774071. The next prime is 10721774159. The reversal of 10721774116 is 61147712701.

The square root of 10721774116 is 103546.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×10721774116² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4761991 + ... + 4764241.

Almost surely, 2^10721774116 is an apocalyptic number.

10721774116 is the 103546-th square number.

It is an amenable number.

10721774116 is a deficient number, since it is larger than the sum of its proper divisors (8901304247).

10721774116 is an frugal number, since it uses more digits than its factorization.

10721774116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 37.

The spelling of 10721774116 in words is "ten billion, seven hundred twenty-one million, seven hundred seventy-four thousand, one hundred sixteen".