1610001551 has 2 divisors, whose sum is σ = 1610001552. Its totient is φ = 1610001550.

The previous prime is 1610001527. The next prime is 1610001553. The reversal of 1610001551 is 1551000161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1610001551 - 2¹⁰ = 1610000527 is a prime.

It is a Sophie Germain prime.

Together with 1610001553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1610001553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805000775 + 805000776.

It is an arithmetic number, because the mean of its divisors is an integer number (805000776).

Almost surely, 2^1610001551 is an apocalyptic number.

1610001551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610001551 is an equidigital number, since it uses as much as digits as its factorization.

1610001551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 1610001551 is about 40124.8246226697. The cubic root of 1610001551 is about 1172.0390942299.

The spelling of 1610001551 in words is "one billion, six hundred ten million, one thousand, five hundred fifty-one".