161470458740 has 12 divisors (see below), whose sum is σ = 339087963396. Its totient is φ = 64588183488.

The previous prime is 161470458707. The next prime is 161470458763. The reversal of 161470458740 is 47854074161.

161470458740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27991297636 + 133479161104 = 167306^2 + 365348^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4036761449 + ... + 4036761488.

It is an arithmetic number, because the mean of its divisors is an integer number (28257330283).

Almost surely, 2^161470458740 is an apocalyptic number.

161470458740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161470458740 is an abundant number, since it is smaller than the sum of its proper divisors (177617504656).

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

161470458740 is a wasteful number, since it uses less digits than its factorization.

161470458740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073522946 (or 8073522944 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 161470458740 in words is "one hundred sixty-one billion, four hundred seventy million, four hundred fifty-eight thousand, seven hundred forty".