216207132213446 has 8 divisors (see below), whose sum is σ = 353793489076584. Its totient is φ = 98275969187920.

The previous prime is 216207132213427. The next prime is 216207132213461. The reversal of 216207132213446 is 644312231702612.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 216207132213397 and 216207132213406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4913798459375 + ... + 4913798459418.

It is an arithmetic number, because the mean of its divisors is an integer number (44224186134573).

Almost surely, 2^{216207132213446} is an apocalyptic number.

216207132213446 is a deficient number, since it is larger than the sum of its proper divisors (137586356863138).

216207132213446 is a wasteful number, since it uses less digits than its factorization.

216207132213446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9827596918806.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 216207132213446 in words is "two hundred sixteen trillion, two hundred seven billion, one hundred thirty-two million, two hundred thirteen thousand, four hundred forty-six".