1616901097 has 16 divisors (see below), whose sum is σ = 1891026432. Its totient is φ = 1353680640.

The previous prime is 1616901089. The next prime is 1616901103. The reversal of 1616901097 is 7901096161.

It is a cyclic number.

It is not a de Polignac number, because 1616901097 - 2³ = 1616901089 is a prime.

It is a super-2 number, since 2×1616901097² = 5228738314959606818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1616901037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166693 + ... + 176125.

It is an arithmetic number, because the mean of its divisors is an integer number (118189152).

Almost surely, 2^1616901097 is an apocalyptic number.

It is an amenable number.

1616901097 is a deficient number, since it is larger than the sum of its proper divisors (274125335).

1616901097 is an equidigital number, since it uses as much as digits as its factorization.

1616901097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10008.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 1616901097 is about 40210.7087353605. The cubic root of 1616901097 is about 1173.7109380940.

The spelling of 1616901097 in words is "one billion, six hundred sixteen million, nine hundred one thousand, ninety-seven".