16619890729007 has 2 divisors, whose sum is σ = 16619890729008. Its totient is φ = 16619890729006.

The previous prime is 16619890728919. The next prime is 16619890729009. The reversal of 16619890729007 is 70092709891661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16619890729007 - 2¹² = 16619890724911 is a prime.

It is a super-2 number, since 2×16619890729007² (a number of 27 digits) contains 22 as substring.

Together with 16619890729009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16619890729009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8309945364503 + 8309945364504.

It is an arithmetic number, because the mean of its divisors is an integer number (8309945364504).

Almost surely, 2^{16619890729007} is an apocalyptic number.

16619890729007 is a deficient number, since it is larger than the sum of its proper divisors (1).

16619890729007 is an equidigital number, since it uses as much as digits as its factorization.

16619890729007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20575296, while the sum is 65.

The spelling of 16619890729007 in words is "sixteen trillion, six hundred nineteen billion, eight hundred ninety million, seven hundred twenty-nine thousand, seven".