7642163007 has 12 divisors (see below), whose sum is σ = 11044228000. Its totient is φ = 5092214688.

The previous prime is 7642162991. The next prime is 7642163047. The reversal of 7642163007 is 7003612467.

7642163007 is a `hidden beast` number, since 7 + 642 + 1 + 6 + 3 + 0 + 0 + 7 = 666.

It is not a de Polignac number, because 7642163007 - 2⁴ = 7642162991 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 (7642163047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194398 + ... + 230379.

Almost surely, 2^7642163007 is an apocalyptic number.

7642163007 is a deficient number, since it is larger than the sum of its proper divisors (3402064993).

7642163007 is a wasteful number, since it uses less digits than its factorization.

7642163007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426782 (or 426779 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 7642163007 is about 87419.4658357050. The cubic root of 7642163007 is about 1969.7242527631.

The spelling of 7642163007 in words is "seven billion, six hundred forty-two million, one hundred sixty-three thousand, seven".