6211467990 has 320 divisors, whose sum is σ = 21769824384. Its totient is φ = 1233211392.

The previous prime is 6211467989. The next prime is 6211468001. The reversal of 6211467990 is 997641126.

6211467990 is a `hidden beast` number, since 621 + 14 + 6 + 7 + 9 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1250592 + ... + 1255548.

Almost surely, 2^6211467990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6211467990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10884912192).

6211467990 is an abundant number, since it is smaller than the sum of its proper divisors (15558356394).

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

6211467990 is a wasteful number, since it uses less digits than its factorization.

6211467990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013 (or 5004 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 6211467990 is about 78812.8669063624. The cubic root of 6211467990 is about 1838.2225263526. Note that the first 3 decimals are identical.

The spelling of 6211467990 in words is "six billion, two hundred eleven million, four hundred sixty-seven thousand, nine hundred ninety".