1421463167378 has 16 divisors (see below), whose sum is σ = 2259329656320. Its totient is φ = 668416677696.

The previous prime is 1421463167357. The next prime is 1421463167431. The reversal of 1421463167378 is 8737613641241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15803426 + ... + 15893117.

It is an arithmetic number, because the mean of its divisors is an integer number (141208103520).

Almost surely, 2^{1421463167378} is an apocalyptic number.

1421463167378 is a deficient number, since it is larger than the sum of its proper divisors (837866488942).

1421463167378 is a wasteful number, since it uses less digits than its factorization.

1421463167378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31697881.

The product of its digits is 4064256, while the sum is 53.

The spelling of 1421463167378 in words is "one trillion, four hundred twenty-one billion, four hundred sixty-three million, one hundred sixty-seven thousand, three hundred seventy-eight".