722443006146766 has 64 divisors (see below), whose sum is σ = 1204752194731008. Its totient is φ = 323167192432128.

The previous prime is 722443006146661. The next prime is 722443006146803. The reversal of 722443006146766 is 667641600344227.

It is a self number, because there is not a number n which added to its sum of digits gives 722443006146766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1426983711 + ... + 1427489893.

It is an arithmetic number, because the mean of its divisors is an integer number (18824253042672).

Almost surely, 2^{722443006146766} is an apocalyptic number.

722443006146766 is a deficient number, since it is larger than the sum of its proper divisors (482309188584242).

722443006146766 is a wasteful number, since it uses less digits than its factorization.

722443006146766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517585.

The product of its (nonzero) digits is 48771072, while the sum is 58.

The spelling of 722443006146766 in words is "seven hundred twenty-two trillion, four hundred forty-three billion, six million, one hundred forty-six thousand, seven hundred sixty-six".