1662162368380 has 24 divisors (see below), whose sum is σ = 3642303625632. Its totient is φ = 635957775552.

The previous prime is 1662162368353. The next prime is 1662162368387. The reversal of 1662162368380 is 838632612661.

It is a super-2 number, since 2×1662162368380² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662162368387) 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, 1806697767 + ... + 1806698686.

It is an arithmetic number, because the mean of its divisors is an integer number (151762651068).

Almost surely, 2^{1662162368380} is an apocalyptic number.

1662162368380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1662162368380 is an abundant number, since it is smaller than the sum of its proper divisors (1980141257252).

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

1662162368380 is a wasteful number, since it uses less digits than its factorization.

1662162368380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613396485 (or 3613396483 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 1662162368380 in words is "one trillion, six hundred sixty-two billion, one hundred sixty-two million, three hundred sixty-eight thousand, three hundred eighty".