5162178557 has 2 divisors, whose sum is σ = 5162178558. Its totient is φ = 5162178556.

The previous prime is 5162178529. The next prime is 5162178587. The reversal of 5162178557 is 7558712615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4670492281 + 491686276 = 68341^2 + 22174^2 .

It is a cyclic number.

It is not a de Polignac number, because 5162178557 - 2¹⁸ = 5161916413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5162178587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2581089278 + 2581089279.

It is an arithmetic number, because the mean of its divisors is an integer number (2581089279).

Almost surely, 2^5162178557 is an apocalyptic number.

It is an amenable number.

5162178557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5162178557 is an equidigital number, since it uses as much as digits as its factorization.

5162178557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588000, while the sum is 47.

The square root of 5162178557 is about 71848.3023946982. The cubic root of 5162178557 is about 1728.2676765340.

The spelling of 5162178557 in words is "five billion, one hundred sixty-two million, one hundred seventy-eight thousand, five hundred fifty-seven".