6212641620 has 48 divisors (see below), whose sum is σ = 17414728128. Its totient is φ = 1654863360.

The previous prime is 6212641571. The next prime is 6212641637. The reversal of 6212641620 is 261462126.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2661 + ... + 111500.

It is an arithmetic number, because the mean of its divisors is an integer number (362806836).

Almost surely, 2^6212641620 is an apocalyptic number.

6212641620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6212641620 is an abundant number, since it is smaller than the sum of its proper divisors (11202086508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6212641620 is a wasteful number, since it uses less digits than its factorization.

6212641620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115080 (or 115078 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 6212641620 is about 78820.3122297800. The cubic root of 6212641620 is about 1838.3382937925.

The spelling of 6212641620 in words is "six billion, two hundred twelve million, six hundred forty-one thousand, six hundred twenty".