2616421075 has 12 divisors (see below), whose sum is σ = 3258293688. Its totient is φ = 2084148800.

The previous prime is 2616421063. The next prime is 2616421081. The reversal of 2616421075 is 5701246162.

It is not a de Polignac number, because 2616421075 - 2²¹ = 2614323923 is a prime.

It is a super-3 number, since 3×2616421075³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2616421075.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218761 + ... + 230410.

It is an arithmetic number, because the mean of its divisors is an integer number (271524474).

Almost surely, 2^2616421075 is an apocalyptic number.

2616421075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2616421075 is a deficient number, since it is larger than the sum of its proper divisors (641872613).

2616421075 is a wasteful number, since it uses less digits than its factorization.

2616421075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449414 (or 449409 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2616421075 is about 51150.9635784117. The cubic root of 2616421075 is about 1377.9576796329.

The spelling of 2616421075 in words is "two billion, six hundred sixteen million, four hundred twenty-one thousand, seventy-five".