1071966923999 has 8 divisors (see below), whose sum is σ = 1106527533408. Its totient is φ = 1037700447840.

The previous prime is 1071966923987. The next prime is 1071966924013. The reversal of 1071966923999 is 9993296691701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1071966923999 - 2⁸ = 1071966923743 is a prime.

It is a super-2 number, since 2×1071966923999² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071966923959) 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, 73525907 + ... + 73540484.

It is an arithmetic number, because the mean of its divisors is an integer number (138315941676).

Almost surely, 2^{1071966923999} is an apocalyptic number.

1071966923999 is a deficient number, since it is larger than the sum of its proper divisors (34560609409).

1071966923999 is a wasteful number, since it uses less digits than its factorization.

1071966923999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147066625.

The product of its (nonzero) digits is 89282088, while the sum is 71.

The spelling of 1071966923999 in words is "one trillion, seventy-one billion, nine hundred sixty-six million, nine hundred twenty-three thousand, nine hundred ninety-nine".