1006161551 has 2 divisors, whose sum is σ = 1006161552. Its totient is φ = 1006161550.

The previous prime is 1006161523. The next prime is 1006161589. The reversal of 1006161551 is 1551616001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1006161551 - 2¹⁰ = 1006160527 is a prime.

It is a super-2 number, since 2×1006161551² = 2024722133421451202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1006161551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006163551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503080775 + 503080776.

It is an arithmetic number, because the mean of its divisors is an integer number (503080776).

Almost surely, 2^1006161551 is an apocalyptic number.

1006161551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006161551 is an equidigital number, since it uses as much as digits as its factorization.

1006161551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 1006161551 is about 31720.0496689397. The cubic root of 1006161551 is about 1002.0496464127.

Adding to 1006161551 its reverse (1551616001), we get a palindrome (2557777552).

The spelling of 1006161551 in words is "one billion, six million, one hundred sixty-one thousand, five hundred fifty-one".