1001668508426 has 16 divisors (see below), whose sum is σ = 1554836631840. Its totient is φ = 483401262960.

The previous prime is 1001668508419. The next prime is 1001668508429. The reversal of 1001668508426 is 6248058661001.

It is not an unprimeable number, because it can be changed into a prime (1001668508429) 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, 2734136 + ... + 3078771.

It is an arithmetic number, because the mean of its divisors is an integer number (97177289490).

Almost surely, 2^{1001668508426} is an apocalyptic number.

1001668508426 is a deficient number, since it is larger than the sum of its proper divisors (553168123414).

1001668508426 is a wasteful number, since it uses less digits than its factorization.

1001668508426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815909.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 1001668508426 in words is "one trillion, one billion, six hundred sixty-eight million, five hundred eight thousand, four hundred twenty-six".