157623581005 has 8 divisors (see below), whose sum is σ = 206343597024. Its totient is φ = 114635331600.

The previous prime is 157623580981. The next prime is 157623581009. The reversal of 157623581005 is 500185326751.

It is a happy number.

157623581005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 157623581005 - 2²¹ = 157621483853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157623581009) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1432941591 + ... + 1432941700.

It is an arithmetic number, because the mean of its divisors is an integer number (25792949628).

Almost surely, 2^157623581005 is an apocalyptic number.

It is an amenable number.

157623581005 is a deficient number, since it is larger than the sum of its proper divisors (48720016019).

157623581005 is a wasteful number, since it uses less digits than its factorization.

157623581005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865883307.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 157623581005 in words is "one hundred fifty-seven billion, six hundred twenty-three million, five hundred eighty-one thousand, five".