2147916551 has 8 divisors (see below), whose sum is σ = 2360286864. Its totient is φ = 1938397120.

The previous prime is 2147916539. The next prime is 2147916553. The reversal of 2147916551 is 1556197412.

It is a happy number.

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

It is not a de Polignac number, because 2147916551 - 2¹⁸ = 2147654407 is a prime.

It is a super-2 number, since 2×2147916551² = 9227091020119471202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2147916499 and 2147916508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147916553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711140 + ... + 714153.

It is an arithmetic number, because the mean of its divisors is an integer number (295035858).

Almost surely, 2^2147916551 is an apocalyptic number.

2147916551 is a deficient number, since it is larger than the sum of its proper divisors (212370313).

2147916551 is a wasteful number, since it uses less digits than its factorization.

2147916551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425441.

The product of its digits is 75600, while the sum is 41.

The square root of 2147916551 is about 46345.6206237439. The cubic root of 2147916551 is about 1290.2458420145.

The spelling of 2147916551 in words is "two billion, one hundred forty-seven million, nine hundred sixteen thousand, five hundred fifty-one".