1043666406356 has 48 divisors (see below), whose sum is σ = 2108587541760. Its totient is φ = 442733491200.

The previous prime is 1043666406347. The next prime is 1043666406383. The reversal of 1043666406356 is 6536046663401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10467716 + ... + 10566948.

It is an arithmetic number, because the mean of its divisors is an integer number (43928907120).

Almost surely, 2^{1043666406356} is an apocalyptic number.

It is an amenable number.

1043666406356 is an abundant number, since it is smaller than the sum of its proper divisors (1064921135404).

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

1043666406356 is a wasteful number, since it uses less digits than its factorization.

1043666406356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103064 (or 103062 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 1043666406356 in words is "one trillion, forty-three billion, six hundred sixty-six million, four hundred six thousand, three hundred fifty-six".