2772351616 has 32 divisors (see below), whose sum is σ = 5529153780. Its totient is φ = 1384642560.

The previous prime is 2772351611. The next prime is 2772351709. The reversal of 2772351616 is 6161532772.

It can be written as a sum of positive squares in 2 ways, for example, as 2756670016 + 15681600 = 52504^2 + 3960^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×2772351616² = 15371866965475622912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2772351611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108940 + ... + 131956.

Almost surely, 2^2772351616 is an apocalyptic number.

It is an amenable number.

2772351616 is a deficient number, since it is larger than the sum of its proper divisors (2756802164).

2772351616 is an equidigital number, since it uses as much as digits as its factorization.

2772351616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23972 (or 23960 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 2772351616 is about 52653.1254153065. The cubic root of 2772351616 is about 1404.8051917693.

The spelling of 2772351616 in words is "two billion, seven hundred seventy-two million, three hundred fifty-one thousand, six hundred sixteen".