1669492112432 has 80 divisors (see below), whose sum is σ = 3484743247872. Its totient is φ = 772566305280.

The previous prime is 1669492112429. The next prime is 1669492112471. The reversal of 1669492112432 is 2342112949661.

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, 114837068 + ... + 114851604.

Almost surely, 2^{1669492112432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1669492112432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1742371623936).

1669492112432 is an abundant number, since it is smaller than the sum of its proper divisors (1815251135440).

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

1669492112432 is a wasteful number, since it uses less digits than its factorization.

1669492112432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24666 (or 24660 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 50.

The spelling of 1669492112432 in words is "one trillion, six hundred sixty-nine billion, four hundred ninety-two million, one hundred twelve thousand, four hundred thirty-two".