20163492907 has 8 divisors (see below), whose sum is σ = 20265763392. Its totient is φ = 20061472200.

The previous prime is 20163492893. The next prime is 20163492941. The reversal of 20163492907 is 70929436102.

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 20163492907 - 2²⁷ = 20029275179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20163492007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100488 + ... + 224554.

It is an arithmetic number, because the mean of its divisors is an integer number (2533220424).

Almost surely, 2^20163492907 is an apocalyptic number.

20163492907 is a deficient number, since it is larger than the sum of its proper divisors (102270485).

20163492907 is a wasteful number, since it uses less digits than its factorization.

20163492907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124889.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 20163492907 in words is "twenty billion, one hundred sixty-three million, four hundred ninety-two thousand, nine hundred seven".