161946154070 has 8 divisors (see below), whose sum is σ = 291503077344. Its totient is φ = 64778461624.

The previous prime is 161946154057. The next prime is 161946154093. The reversal of 161946154070 is 70451649161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8097307694 + ... + 8097307713.

It is an arithmetic number, because the mean of its divisors is an integer number (36437884668).

Almost surely, 2^161946154070 is an apocalyptic number.

161946154070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161946154070 is a deficient number, since it is larger than the sum of its proper divisors (129556923274).

161946154070 is a wasteful number, since it uses less digits than its factorization.

161946154070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16194615414.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 161946154070 in words is "one hundred sixty-one billion, nine hundred forty-six million, one hundred fifty-four thousand, seventy".