161212627 has 2 divisors, whose sum is σ = 161212628. Its totient is φ = 161212626.

The previous prime is 161212619. The next prime is 161212637. The reversal of 161212627 is 726212161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161212627 - 2³ = 161212619 is a prime.

It is a super-2 number, since 2×161212627² = 51979022208482258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161212595 and 161212604.

It is not a weakly prime, because it can be changed into another prime (161212607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80606313 + 80606314.

It is an arithmetic number, because the mean of its divisors is an integer number (80606314).

Almost surely, 2^161212627 is an apocalyptic number.

161212627 is a deficient number, since it is larger than the sum of its proper divisors (1).

161212627 is an equidigital number, since it uses as much as digits as its factorization.

161212627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 161212627 is about 12696.9534534864. The cubic root of 161212627 is about 544.2515630684.

Adding to 161212627 its reverse (726212161), we get a palindrome (887424788).

The spelling of 161212627 in words is "one hundred sixty-one million, two hundred twelve thousand, six hundred twenty-seven".