16620341234 has 16 divisors (see below), whose sum is σ = 28774115136. Its totient is φ = 7052478000.

The previous prime is 16620341201. The next prime is 16620341237. The reversal of 16620341234 is 43214302661.

It is a self number, because there is not a number n which added to its sum of digits gives 16620341234.

It is not an unprimeable number, because it can be changed into a prime (16620341237) 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, 5875652 + ... + 5878479.

It is an arithmetic number, because the mean of its divisors is an integer number (1798382196).

Almost surely, 2^16620341234 is an apocalyptic number.

16620341234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16620341234 is a deficient number, since it is larger than the sum of its proper divisors (12153773902).

16620341234 is a wasteful number, since it uses less digits than its factorization.

16620341234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11754241.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 16620341234 its reverse (43214302661), we get a palindrome (59834643895).

The spelling of 16620341234 in words is "sixteen billion, six hundred twenty million, three hundred forty-one thousand, two hundred thirty-four".