157963551 has 8 divisors (see below), whose sum is σ = 217880880. Its totient is φ = 101677632.

The previous prime is 157963537. The next prime is 157963567. The reversal of 157963551 is 155369751.

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

It is not a de Polignac number, because 157963551 - 2¹⁰ = 157962527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157963051) 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, 907750 + ... + 907923.

It is an arithmetic number, because the mean of its divisors is an integer number (27235110).

Almost surely, 2^157963551 is an apocalyptic number.

157963551 is a deficient number, since it is larger than the sum of its proper divisors (59917329).

157963551 is a wasteful number, since it uses less digits than its factorization.

157963551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815705.

The product of its digits is 141750, while the sum is 42.

The square root of 157963551 is about 12568.3551429771. The cubic root of 157963551 is about 540.5704431386.

The spelling of 157963551 in words is "one hundred fifty-seven million, nine hundred sixty-three thousand, five hundred fifty-one".