1421166303772 has 6 divisors (see below), whose sum is σ = 2487041031608. Its totient is φ = 710583151884.

The previous prime is 1421166303763. The next prime is 1421166303787. The reversal of 1421166303772 is 2773036611241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177645787968 + ... + 177645787975.

Almost surely, 2^{1421166303772} is an apocalyptic number.

It is an amenable number.

1421166303772 is a deficient number, since it is larger than the sum of its proper divisors (1065874727836).

1421166303772 is a wasteful number, since it uses less digits than its factorization.

1421166303772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355291575947 (or 355291575945 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 1421166303772 in words is "one trillion, four hundred twenty-one billion, one hundred sixty-six million, three hundred three thousand, seven hundred seventy-two".