216426819103161 has 8 divisors (see below), whose sum is σ = 292633445548224. Its totient is φ = 142252369363440.

The previous prime is 216426819103139. The next prime is 216426819103169. The reversal of 216426819103161 is 161301918624612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216426819103161 - 2⁵ = 216426819103129 is a prime.

It is a super-2 number, since 2×216426819103161² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216426819103169) 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, 508044176086 + ... + 508044176511.

It is an arithmetic number, because the mean of its divisors is an integer number (36579180693528).

Almost surely, 2^{216426819103161} is an apocalyptic number.

It is an amenable number.

216426819103161 is a deficient number, since it is larger than the sum of its proper divisors (76206626445063).

216426819103161 is a wasteful number, since it uses less digits than its factorization.

216426819103161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016088352671.

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 216426819103161 in words is "two hundred sixteen trillion, four hundred twenty-six billion, eight hundred nineteen million, one hundred three thousand, one hundred sixty-one".