142421421511662 has 32 divisors (see below), whose sum is σ = 294038005991424. Its totient is φ = 45941349636000.

The previous prime is 142421421511657. The next prime is 142421421511717. The reversal of 142421421511662 is 266115124124241.

It is a super-2 number, since 2×142421421511662² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 478498 + ... + 16884069.

It is an arithmetic number, because the mean of its divisors is an integer number (9188687687232).

Almost surely, 2^{142421421511662} is an apocalyptic number.

142421421511662 is an abundant number, since it is smaller than the sum of its proper divisors (151616584479762).

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

142421421511662 is a wasteful number, since it uses less digits than its factorization.

142421421511662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17406704.

The product of its digits is 184320, while the sum is 42.

The spelling of 142421421511662 in words is "one hundred forty-two trillion, four hundred twenty-one billion, four hundred twenty-one million, five hundred eleven thousand, six hundred sixty-two".