1616651055 has 24 divisors (see below), whose sum is σ = 2905982352. Its totient is φ = 862213248.

The previous prime is 1616651051. The next prime is 1616651059. The reversal of 1616651055 is 5501566161.

It is an interprime number because it is at equal distance from previous prime (1616651051) and next prime (1616651059).

It is not a de Polignac number, because 1616651055 - 2² = 1616651051 is a prime.

It is a super-2 number, since 2×1616651055² = 5227121267265226050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616651051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 664074 + ... + 666503.

It is an arithmetic number, because the mean of its divisors is an integer number (121082598).

Almost surely, 2^1616651055 is an apocalyptic number.

1616651055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1616651055 is a deficient number, since it is larger than the sum of its proper divisors (1289331297).

1616651055 is an equidigital number, since it uses as much as digits as its factorization.

1616651055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330597 (or 1330585 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 1616651055 is about 40207.5994682597. The cubic root of 1616651055 is about 1173.6504330203.

The spelling of 1616651055 in words is "one billion, six hundred sixteen million, six hundred fifty-one thousand, fifty-five".