2158046517 has 8 divisors (see below), whose sum is σ = 3138976800. Its totient is φ = 1307906960.

The previous prime is 2158046503. The next prime is 2158046531. The reversal of 2158046517 is 7156408512.

It is an interprime number because it is at equal distance from previous prime (2158046503) and next prime (2158046531).

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 2158046517 - 2¹⁰ = 2158045493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158046537) 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, 32697642 + ... + 32697707.

It is an arithmetic number, because the mean of its divisors is an integer number (392372100).

Almost surely, 2^2158046517 is an apocalyptic number.

It is an amenable number.

2158046517 is a deficient number, since it is larger than the sum of its proper divisors (980930283).

2158046517 is a wasteful number, since it uses less digits than its factorization.

2158046517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65395363.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 2158046517 is about 46454.7792697371. The cubic root of 2158046517 is about 1292.2710065252.

The spelling of 2158046517 in words is "two billion, one hundred fifty-eight million, forty-six thousand, five hundred seventeen".