1662711351142 has 8 divisors (see below), whose sum is σ = 2494658190600. Its totient is φ = 831158620944.

The previous prime is 1662711351121. The next prime is 1662711351149. The reversal of 1662711351142 is 2411531172661.

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

It is a junction number, because it is equal to n+sod(n) for n = 1662711351095 and 1662711351104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662711351149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98516767 + ... + 98533642.

It is an arithmetic number, because the mean of its divisors is an integer number (311832273825).

Almost surely, 2^{1662711351142} is an apocalyptic number.

1662711351142 is a deficient number, since it is larger than the sum of its proper divisors (831946839458).

1662711351142 is a wasteful number, since it uses less digits than its factorization.

1662711351142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197054630.

The product of its digits is 60480, while the sum is 40.

The spelling of 1662711351142 in words is "one trillion, six hundred sixty-two billion, seven hundred eleven million, three hundred fifty-one thousand, one hundred forty-two".