16722041031 has 20 divisors (see below), whose sum is σ = 24999374400. Its totient is φ = 11139309216.

The previous prime is 16722040981. The next prime is 16722041051. The reversal of 16722041031 is 13014022761.

It is not a de Polignac number, because 16722041031 - 2⁷ = 16722040903 is a prime.

It is a super-2 number, since 2×16722041031² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16722040986 and 16722041004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16722041051) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24330 + ... + 184488.

It is an arithmetic number, because the mean of its divisors is an integer number (1249968720).

Almost surely, 2^16722041031 is an apocalyptic number.

16722041031 is a deficient number, since it is larger than the sum of its proper divisors (8277333369).

16722041031 is a wasteful number, since it uses less digits than its factorization.

16722041031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161460 (or 161451 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 16722041031 its reverse (13014022761), we get a palindrome (29736063792).

The spelling of 16722041031 in words is "sixteen billion, seven hundred twenty-two million, forty-one thousand, thirty-one".