216346742001 has 24 divisors (see below), whose sum is σ = 351171527616. Its totient is φ = 127347913440.

The previous prime is 216346741973. The next prime is 216346742009. The reversal of 216346742001 is 100247643612.

It is not a de Polignac number, because 216346742001 - 2⁵ = 216346741969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216346742009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40195515 + ... + 40200896.

It is an arithmetic number, because the mean of its divisors is an integer number (14632146984).

Almost surely, 2^216346742001 is an apocalyptic number.

It is an amenable number.

216346742001 is a deficient number, since it is larger than the sum of its proper divisors (134824785615).

216346742001 is a wasteful number, since it uses less digits than its factorization.

216346742001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80396453 (or 80396450 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 216346742001 in words is "two hundred sixteen billion, three hundred forty-six million, seven hundred forty-two thousand, one".