11667171470 has 16 divisors (see below), whose sum is σ = 21678357888. Its totient is φ = 4516324320.

The previous prime is 11667171469. The next prime is 11667171479. The reversal of 11667171470 is 7417176611.

It is a happy number.

It is a super-2 number, since 2×11667171470² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11667171479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18817709 + ... + 18818328.

It is an arithmetic number, because the mean of its divisors is an integer number (1354897368).

Almost surely, 2^11667171470 is an apocalyptic number.

11667171470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11667171470 is a deficient number, since it is larger than the sum of its proper divisors (10011186418).

11667171470 is a wasteful number, since it uses less digits than its factorization.

11667171470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37636075.

The product of its (nonzero) digits is 49392, while the sum is 41.

The spelling of 11667171470 in words is "eleven billion, six hundred sixty-seven million, one hundred seventy-one thousand, four hundred seventy".