157220171570071 has 8 divisors (see below), whose sum is σ = 165878896377600. Its totient is φ = 148599844656120.

The previous prime is 157220171570069. The next prime is 157220171570101. The reversal of 157220171570071 is 170075171022751.

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

It is a cyclic number.

It is not a de Polignac number, because 157220171570071 - 2¹ = 157220171570069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157220171576071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9599464981 + ... + 9599481358.

It is an arithmetic number, because the mean of its divisors is an integer number (20734862047200).

Almost surely, 2^{157220171570071} is an apocalyptic number.

157220171570071 is a deficient number, since it is larger than the sum of its proper divisors (8658724807529).

157220171570071 is a wasteful number, since it uses less digits than its factorization.

157220171570071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19198946789.

The product of its (nonzero) digits is 240100, while the sum is 46.

The spelling of 157220171570071 in words is "one hundred fifty-seven trillion, two hundred twenty billion, one hundred seventy-one million, five hundred seventy thousand, seventy-one".