147801400161 has 4 divisors (see below), whose sum is σ = 197068533552. Its totient is φ = 98534266772.

The previous prime is 147801400157. The next prime is 147801400171. The reversal of 147801400161 is 161004108741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147801400161 - 2² = 147801400157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147801400141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24633566691 + ... + 24633566696.

It is an arithmetic number, because the mean of its divisors is an integer number (49267133388).

Almost surely, 2^147801400161 is an apocalyptic number.

It is an amenable number.

147801400161 is a deficient number, since it is larger than the sum of its proper divisors (49267133391).

147801400161 is an equidigital number, since it uses as much as digits as its factorization.

147801400161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49267133390.

The product of its (nonzero) digits is 5376, while the sum is 33.

The spelling of 147801400161 in words is "one hundred forty-seven billion, eight hundred one million, four hundred thousand, one hundred sixty-one".