1167650420 has 48 divisors (see below), whose sum is σ = 2515438800. Its totient is φ = 455110656.

The previous prime is 1167650417. The next prime is 1167650441. The reversal of 1167650420 is 240567611.

It can be written as a sum of positive squares in 8 ways, for example, as 145057936 + 1022592484 = 12044^2 + 31978^2 .

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, 154244 + ... + 161636.

It is an arithmetic number, because the mean of its divisors is an integer number (52404975).

Almost surely, 2^1167650420 is an apocalyptic number.

1167650420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1167650420 is an abundant number, since it is smaller than the sum of its proper divisors (1347788380).

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

1167650420 is a wasteful number, since it uses less digits than its factorization.

1167650420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604 (or 7602 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1167650420 is about 34170.9001930005. The cubic root of 1167650420 is about 1053.0224088530.

The spelling of 1167650420 in words is "one billion, one hundred sixty-seven million, six hundred fifty thousand, four hundred twenty".