1660743538392 has 32 divisors (see below), whose sum is σ = 4396085838000. Its totient is φ = 521017580544.

The previous prime is 1660743538381. The next prime is 1660743538393. The reversal of 1660743538392 is 2938353470661.

It is a super-3 number, since 3×1660743538392³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660743538393) 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, 2035224517 + ... + 2035225332.

It is a 1-persistent number, because it is pandigital, but 2⋅1660743538392 = 3321487076784 is not.

Almost surely, 2^{1660743538392} is an apocalyptic number.

1660743538392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1660743538392 is an abundant number, since it is smaller than the sum of its proper divisors (2735342299608).

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

1660743538392 is a wasteful number, since it uses less digits than its factorization.

1660743538392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070449875 (or 4070449871 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 57.

The spelling of 1660743538392 in words is "one trillion, six hundred sixty billion, seven hundred forty-three million, five hundred thirty-eight thousand, three hundred ninety-two".