662042001831 has 32 divisors (see below), whose sum is σ = 1025578215936. Its totient is φ = 372030192000.

The previous prime is 662042001791. The next prime is 662042001889. The reversal of 662042001831 is 138100240266.

It is not a de Polignac number, because 662042001831 - 2⁶ = 662042001767 is a prime.

It is a super-2 number, since 2×662042001831² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 662042001792 and 662042001801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662042001031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6380436 + ... + 6483366.

It is an arithmetic number, because the mean of its divisors is an integer number (32049319248).

Almost surely, 2^662042001831 is an apocalyptic number.

662042001831 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

662042001831 is a deficient number, since it is larger than the sum of its proper divisors (363536214105).

662042001831 is a wasteful number, since it uses less digits than its factorization.

662042001831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108023.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 662042001831 in words is "six hundred sixty-two billion, forty-two million, one thousand, eight hundred thirty-one".