16401027603031 has 8 divisors (see below), whose sum is σ = 16421516434400. Its totient is φ = 16380551296512.

The previous prime is 16401027603017. The next prime is 16401027603151. The reversal of 16401027603031 is 13030672010461.

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

It is a cyclic number.

It is not a de Polignac number, because 16401027603031 - 2¹⁹ = 16401027078743 is a prime.

It is a super-2 number, since 2×16401027603031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16401027603001) 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, 509250 + ... + 5749903.

It is an arithmetic number, because the mean of its divisors is an integer number (2052689554300).

Almost surely, 2^{16401027603031} is an apocalyptic number.

16401027603031 is a deficient number, since it is larger than the sum of its proper divisors (20488831369).

16401027603031 is a wasteful number, since it uses less digits than its factorization.

16401027603031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262425.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 16401027603031 its reverse (13030672010461), we get a palindrome (29431699613492).

The spelling of 16401027603031 in words is "sixteen trillion, four hundred one billion, twenty-seven million, six hundred three thousand, thirty-one".