157621464001 has 4 divisors (see below), whose sum is σ = 159780662212. Its totient is φ = 155462265792.

The previous prime is 157621463999. The next prime is 157621464017. The reversal of 157621464001 is 100464126751.

157621464001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44079422401 + 113542041600 = 209951^2 + 336960^2 .

It is a cyclic number.

It is not a de Polignac number, because 157621464001 - 2¹ = 157621463999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157621467001) 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 3 ways as a sum of consecutive naturals, for example, 1079598996 + ... + 1079599141.

It is an arithmetic number, because the mean of its divisors is an integer number (39945165553).

Almost surely, 2^157621464001 is an apocalyptic number.

It is an amenable number.

157621464001 is a deficient number, since it is larger than the sum of its proper divisors (2159198211).

157621464001 is an equidigital number, since it uses as much as digits as its factorization.

157621464001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159198210.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 157621464001 in words is "one hundred fifty-seven billion, six hundred twenty-one million, four hundred sixty-four thousand, one".