2151716054 has 16 divisors (see below), whose sum is σ = 3251700816. Its totient is φ = 1067839200.

The previous prime is 2151716051. The next prime is 2151716183. The reversal of 2151716054 is 4506171512.

It is a self number, because there is not a number n which added to its sum of digits gives 2151716054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151716051) 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, 190349 + ... + 201335.

It is an arithmetic number, because the mean of its divisors is an integer number (203231301).

Almost surely, 2^2151716054 is an apocalyptic number.

2151716054 is a deficient number, since it is larger than the sum of its proper divisors (1099984762).

2151716054 is a wasteful number, since it uses less digits than its factorization.

2151716054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11711.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 2151716054 is about 46386.5934726835. The cubic root of 2151716054 is about 1291.0061765173.

Adding to 2151716054 its reverse (4506171512), we get a palindrome (6657887566).

The spelling of 2151716054 in words is "two billion, one hundred fifty-one million, seven hundred sixteen thousand, fifty-four".