1203766778416 has 20 divisors (see below), whose sum is σ = 2332688269824. Its totient is φ = 601782708800.

The previous prime is 1203766778411. The next prime is 1203766778443. The reversal of 1203766778416 is 6148776673021.

It is not an unprimeable number, because it can be changed into a prime (1203766778411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6193840 + ... + 6385231.

Almost surely, 2^{1203766778416} is an apocalyptic number.

1203766778416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1203766778416 is a deficient number, since it is larger than the sum of its proper divisors (1128921491408).

1203766778416 is a wasteful number, since it uses less digits than its factorization.

1203766778416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12585060 (or 12585054 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 58.

The spelling of 1203766778416 in words is "one trillion, two hundred three billion, seven hundred sixty-six million, seven hundred seventy-eight thousand, four hundred sixteen".