10720664654 has 16 divisors (see below), whose sum is σ = 18381955200. Its totient is φ = 4593652344.

The previous prime is 10720664653. The next prime is 10720664657. The reversal of 10720664654 is 45646602701.

It is a happy number.

It is a super-2 number, since 2×10720664654² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10720664653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424 + ... + 146435.

It is an arithmetic number, because the mean of its divisors is an integer number (1148872200).

Almost surely, 2^10720664654 is an apocalyptic number.

10720664654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10720664654 is a deficient number, since it is larger than the sum of its proper divisors (7661290546).

10720664654 is a wasteful number, since it uses less digits than its factorization.

10720664654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153047.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 10720664654 in words is "ten billion, seven hundred twenty million, six hundred sixty-four thousand, six hundred fifty-four".