216346741999 has 8 divisors (see below), whose sum is σ = 219062052720. Its totient is φ = 213634020096.

The previous prime is 216346741973. The next prime is 216346742009. The reversal of 216346741999 is 999147643612.

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 216346741999 - 2⁵ = 216346741967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216346741969) 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, 478744 + ... + 813565.

It is an arithmetic number, because the mean of its divisors is an integer number (27382756590).

Almost surely, 2^216346741999 is an apocalyptic number.

216346741999 is a deficient number, since it is larger than the sum of its proper divisors (2715310721).

216346741999 is a wasteful number, since it uses less digits than its factorization.

216346741999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294409.

The product of its digits is 17635968, while the sum is 61.

The spelling of 216346741999 in words is "two hundred sixteen billion, three hundred forty-six million, seven hundred forty-one thousand, nine hundred ninety-nine".