161455462157030 has 16 divisors (see below), whose sum is σ = 290658187546560. Its totient is φ = 64573661381952.

The previous prime is 161455462157029. The next prime is 161455462157083. The reversal of 161455462157030 is 30751264554161.

It is a self number, because there is not a number n which added to its sum of digits gives 161455462157030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065355550 + ... + 1065507089.

It is an arithmetic number, because the mean of its divisors is an integer number (18166136721660).

Almost surely, 2^{161455462157030} is an apocalyptic number.

161455462157030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161455462157030 is a deficient number, since it is larger than the sum of its proper divisors (129202725389530).

161455462157030 is a wasteful number, since it uses less digits than its factorization.

161455462157030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130870223.

The product of its (nonzero) digits is 3024000, while the sum is 50.

The spelling of 161455462157030 in words is "one hundred sixty-one trillion, four hundred fifty-five billion, four hundred sixty-two million, one hundred fifty-seven thousand, thirty".