1610961967 has 2 divisors, whose sum is σ = 1610961968. Its totient is φ = 1610961966.

The previous prime is 1610961953. The next prime is 1610961971. The reversal of 1610961967 is 7691690161.

It is a strong prime.

It is an emirp because it is prime and its reverse (7691690161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1610961967 - 2¹⁹ = 1610437679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1610061967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805480983 + 805480984.

It is an arithmetic number, because the mean of its divisors is an integer number (805480984).

Almost surely, 2^1610961967 is an apocalyptic number.

1610961967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610961967 is an equidigital number, since it uses as much as digits as its factorization.

1610961967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 1610961967 is about 40136.7906913346. The cubic root of 1610961967 is about 1172.2721004952.

The spelling of 1610961967 in words is "one billion, six hundred ten million, nine hundred sixty-one thousand, nine hundred sixty-seven".