276620066650672 has 20 divisors (see below), whose sum is σ = 535952044418400. Its totient is φ = 138309861639488.

The previous prime is 276620066650657. The next prime is 276620066650691. The reversal of 276620066650672 is 276056660026672.

It is a super-2 number, since 2×276620066650672² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 276620066650672.

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, 3102393 + ... + 23724775.

It is an arithmetic number, because the mean of its divisors is an integer number (26797602220920).

Almost surely, 2^{276620066650672} is an apocalyptic number.

It is an amenable number.

276620066650672 is a deficient number, since it is larger than the sum of its proper divisors (259331977767728).

276620066650672 is a wasteful number, since it uses less digits than its factorization.

276620066650672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21460740 (or 21460734 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 61.

The spelling of 276620066650672 in words is "two hundred seventy-six trillion, six hundred twenty billion, sixty-six million, six hundred fifty thousand, six hundred seventy-two".