208236849672 has 16 divisors (see below), whose sum is σ = 520592124240. Its totient is φ = 69412283216.

The previous prime is 208236849671. The next prime is 208236849683. The reversal of 208236849672 is 276948632802.

It is a happy number.

It is a super-2 number, since 2×208236849672² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (208236849671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4338267678 + ... + 4338267725.

It is an arithmetic number, because the mean of its divisors is an integer number (32537007765).

Almost surely, 2^208236849672 is an apocalyptic number.

It is an amenable number.

208236849672 is an abundant number, since it is smaller than the sum of its proper divisors (312355274568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208236849672 is a wasteful number, since it uses less digits than its factorization.

208236849672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676535412 (or 8676535408 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 208236849672 in words is "two hundred eight billion, two hundred thirty-six million, eight hundred forty-nine thousand, six hundred seventy-two".