1616227671 has 8 divisors (see below), whose sum is σ = 2158174960. Its totient is φ = 1075882752.

The previous prime is 1616227663. The next prime is 1616227751. The reversal of 1616227671 is 1767226161.

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

It is not a de Polignac number, because 1616227671 - 2³ = 1616227663 is a prime.

It is a super-2 number, since 2×1616227671² = 5224383769012168482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616227601) 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, 398236 + ... + 402273.

It is an arithmetic number, because the mean of its divisors is an integer number (269771870).

Almost surely, 2^1616227671 is an apocalyptic number.

1616227671 is a deficient number, since it is larger than the sum of its proper divisors (541947289).

1616227671 is an equidigital number, since it uses as much as digits as its factorization.

1616227671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801185.

The product of its digits is 42336, while the sum is 39.

The square root of 1616227671 is about 40202.3341486536. The cubic root of 1616227671 is about 1173.5479684846.

The spelling of 1616227671 in words is "one billion, six hundred sixteen million, two hundred twenty-seven thousand, six hundred seventy-one".