1616061371 has 8 divisors (see below), whose sum is σ = 1678158384. Its totient is φ = 1555044480.

The previous prime is 1616061353. The next prime is 1616061383. The reversal of 1616061371 is 1731606161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1616061371 is a prime.

It is a super-2 number, since 2×1616061371² = 5223308709676799282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1616061331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266981 + ... + 272966.

It is an arithmetic number, because the mean of its divisors is an integer number (209769798).

Almost surely, 2^1616061371 is an apocalyptic number.

1616061371 is a deficient number, since it is larger than the sum of its proper divisors (62097013).

1616061371 is an equidigital number, since it uses as much as digits as its factorization.

1616061371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540061.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1616061371 is about 40200.2658075789. The cubic root of 1616061371 is about 1173.5077167873.

The spelling of 1616061371 in words is "one billion, six hundred sixteen million, sixty-one thousand, three hundred seventy-one".