1366777901148 has 24 divisors (see below), whose sum is σ = 3479071021440. Its totient is φ = 414175121520.

The previous prime is 1366777901143. The next prime is 1366777901179. The reversal of 1366777901148 is 8411097776631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1366777901091 and 1366777901100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366777901143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5177188888 + ... + 5177189151.

It is an arithmetic number, because the mean of its divisors is an integer number (144961292560).

Almost surely, 2^{1366777901148} is an apocalyptic number.

It is an amenable number.

1366777901148 is an abundant number, since it is smaller than the sum of its proper divisors (2112293120292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1366777901148 is a wasteful number, since it uses less digits than its factorization.

1366777901148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10354378057 (or 10354378055 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 60.

The spelling of 1366777901148 in words is "one trillion, three hundred sixty-six billion, seven hundred seventy-seven million, nine hundred one thousand, one hundred forty-eight".