1149322286646 has 64 divisors (see below), whose sum is σ = 2667942144000. Its totient is φ = 366059124288.

The previous prime is 1149322286587. The next prime is 1149322286657. The reversal of 1149322286646 is 6466822239411.

1149322286646 is a `hidden beast` number, since 11 + 493 + 2 + 2 + 2 + 86 + 64 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1149322286592 and 1149322286601.

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, 669955 + ... + 1657553.

It is an arithmetic number, because the mean of its divisors is an integer number (41686596000).

Almost surely, 2^{1149322286646} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149322286646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333971072000).

1149322286646 is an abundant number, since it is smaller than the sum of its proper divisors (1518619857354).

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

1149322286646 is a wasteful number, since it uses less digits than its factorization.

1149322286646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988570 (or 988564 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The spelling of 1149322286646 in words is "one trillion, one hundred forty-nine billion, three hundred twenty-two million, two hundred eighty-six thousand, six hundred forty-six".