1954160651 has 2 divisors, whose sum is σ = 1954160652. Its totient is φ = 1954160650.

The previous prime is 1954160623. The next prime is 1954160743. The reversal of 1954160651 is 1560614591.

It is a weak prime.

It is an emirp because it is prime and its reverse (1560614591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1954160651 - 2²⁶ = 1887051787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1954160951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977080325 + 977080326.

It is an arithmetic number, because the mean of its divisors is an integer number (977080326).

Almost surely, 2^1954160651 is an apocalyptic number.

1954160651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954160651 is an equidigital number, since it uses as much as digits as its factorization.

1954160651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 1954160651 is about 44205.8893248400. The cubic root of 1954160651 is about 1250.2208998403.

The spelling of 1954160651 in words is "one billion, nine hundred fifty-four million, one hundred sixty thousand, six hundred fifty-one".