162201078 has 24 divisors (see below), whose sum is σ = 378469728. Its totient is φ = 49907952.

The previous prime is 162201077. The next prime is 162201079. The reversal of 162201078 is 870102261.

It is an interprime number because it is at equal distance from previous prime (162201077) and next prime (162201079).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162201073) 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 11 ways as a sum of consecutive naturals, for example, 346350 + ... + 346817.

It is an arithmetic number, because the mean of its divisors is an integer number (15769572).

Almost surely, 2^162201078 is an apocalyptic number.

162201078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

162201078 is an abundant number, since it is smaller than the sum of its proper divisors (216268650).

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

162201078 is a wasteful number, since it uses less digits than its factorization.

162201078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693188 (or 693185 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 162201078 is about 12735.8187015990. The cubic root of 162201078 is about 545.3616296428.

The spelling of 162201078 in words is "one hundred sixty-two million, two hundred one thousand, seventy-eight".