207400016663 has 4 divisors (see below), whose sum is σ = 237028590480. Its totient is φ = 177771442848.

The previous prime is 207400016657. The next prime is 207400016701. The reversal of 207400016663 is 366610004702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207400016663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207400016363) 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, 14814286898 + ... + 14814286911.

It is an arithmetic number, because the mean of its divisors is an integer number (59257147620).

Almost surely, 2^207400016663 is an apocalyptic number.

207400016663 is a deficient number, since it is larger than the sum of its proper divisors (29628573817).

207400016663 is an equidigital number, since it uses as much as digits as its factorization.

207400016663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29628573816.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 207400016663 in words is "two hundred seven billion, four hundred million, sixteen thousand, six hundred sixty-three".