6620111431354 has 32 divisors (see below), whose sum is σ = 10467059226624. Its totient is φ = 3134039111280.

The previous prime is 6620111431337. The next prime is 6620111431403. The reversal of 6620111431354 is 4531341110266.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10647217 + ... + 11251819.

It is an arithmetic number, because the mean of its divisors is an integer number (327095600832).

Almost surely, 2^{6620111431354} is an apocalyptic number.

6620111431354 is a deficient number, since it is larger than the sum of its proper divisors (3846947795270).

6620111431354 is a wasteful number, since it uses less digits than its factorization.

6620111431354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607042.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 6620111431354 in words is "six trillion, six hundred twenty billion, one hundred eleven million, four hundred thirty-one thousand, three hundred fifty-four".