211393377160 has 32 divisors (see below), whose sum is σ = 543582970560. Its totient is φ = 72477729216.

The previous prime is 211393377149. The next prime is 211393377233. The reversal of 211393377160 is 61773393112.

It is a super-2 number, since 2×211393377160² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377487894 + ... + 377488453.

It is an arithmetic number, because the mean of its divisors is an integer number (16986967830).

Almost surely, 2^211393377160 is an apocalyptic number.

211393377160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211393377160 is an abundant number, since it is smaller than the sum of its proper divisors (332189593400).

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

211393377160 is a wasteful number, since it uses less digits than its factorization.

211393377160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754976365 (or 754976361 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 43.

The spelling of 211393377160 in words is "two hundred eleven billion, three hundred ninety-three million, three hundred seventy-seven thousand, one hundred sixty".