6703638161 has 4 divisors (see below), whose sum is σ = 7313059824. Its totient is φ = 6094216500.

The previous prime is 6703638157. The next prime is 6703638163. The reversal of 6703638161 is 1618363076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6703638161 - 2² = 6703638157 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6703638163) 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, 304710815 + ... + 304710836.

It is an arithmetic number, because the mean of its divisors is an integer number (1828264956).

Almost surely, 2^6703638161 is an apocalyptic number.

It is an amenable number.

6703638161 is a deficient number, since it is larger than the sum of its proper divisors (609421663).

6703638161 is a wasteful number, since it uses less digits than its factorization.

6703638161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609421662.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 6703638161 is about 81875.7483080307. The cubic root of 6703638161 is about 1885.5447968549.

The spelling of 6703638161 in words is "six billion, seven hundred three million, six hundred thirty-eight thousand, one hundred sixty-one".