213616670361 has 8 divisors (see below), whose sum is σ = 284847440064. Its totient is φ = 142398507120.

The previous prime is 213616670357. The next prime is 213616670461. The reversal of 213616670361 is 163076616312.

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

It is not a de Polignac number, because 213616670361 - 2² = 213616670357 is a prime.

It is a super-2 number, since 2×213616670361² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213616670321) 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, 3112005 + ... + 3179906.

It is an arithmetic number, because the mean of its divisors is an integer number (35605930008).

Almost surely, 2^213616670361 is an apocalyptic number.

It is an amenable number.

213616670361 is a deficient number, since it is larger than the sum of its proper divisors (71230769703).

213616670361 is a wasteful number, since it uses less digits than its factorization.

213616670361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303231.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 213616670361 in words is "two hundred thirteen billion, six hundred sixteen million, six hundred seventy thousand, three hundred sixty-one".