642083167 has 8 divisors (see below), whose sum is σ = 705157200. Its totient is φ = 579792960.

The previous prime is 642083161. The next prime is 642083173. The reversal of 642083167 is 761380246.

It is an interprime number because it is at equal distance from previous prime (642083161) and next prime (642083173).

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

It is a cyclic number.

It is not a de Polignac number, because 642083167 - 2¹⁵ = 642050399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642083161) 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, 194238 + ... + 197515.

It is an arithmetic number, because the mean of its divisors is an integer number (88144650).

Almost surely, 2^642083167 is an apocalyptic number.

642083167 is a deficient number, since it is larger than the sum of its proper divisors (63074033).

642083167 is a wasteful number, since it uses less digits than its factorization.

642083167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391913.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 642083167 is about 25339.3600353284. The cubic root of 642083167 is about 862.7078732174.

The spelling of 642083167 in words is "six hundred forty-two million, eighty-three thousand, one hundred sixty-seven".