157984561833 has 8 divisors (see below), whose sum is σ = 240738379968. Its totient is φ = 90276892464.

The previous prime is 157984561829. The next prime is 157984561907. The reversal of 157984561833 is 338165489751.

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

It is not a de Polignac number, because 157984561833 - 2² = 157984561829 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157984561633) 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 7 ways as a sum of consecutive naturals, for example, 3761537166 + ... + 3761537207.

It is an arithmetic number, because the mean of its divisors is an integer number (30092297496).

Almost surely, 2^157984561833 is an apocalyptic number.

It is an amenable number.

157984561833 is a deficient number, since it is larger than the sum of its proper divisors (82753818135).

157984561833 is an equidigital number, since it uses as much as digits as its factorization.

157984561833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523074383.

The product of its digits is 21772800, while the sum is 60.

The spelling of 157984561833 in words is "one hundred fifty-seven billion, nine hundred eighty-four million, five hundred sixty-one thousand, eight hundred thirty-three".