6211153920 has 208 divisors, whose sum is σ = 20344084992. Its totient is φ = 1617100800.

The previous prime is 6211153859. The next prime is 6211153937. The reversal of 6211153920 is 293511126.

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

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, 2640745 + ... + 2643095.

Almost surely, 2^6211153920 is an apocalyptic number.

6211153920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6211153920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10172042496).

6211153920 is an abundant number, since it is smaller than the sum of its proper divisors (14132931072).

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

6211153920 is a wasteful number, since it uses less digits than its factorization.

6211153920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426 (or 2404 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 6211153920 is about 78810.8743765732. The cubic root of 6211153920 is about 1838.1915438602.

The spelling of 6211153920 in words is "six billion, two hundred eleven million, one hundred fifty-three thousand, nine hundred twenty".