147116152721 has 4 divisors (see below), whose sum is σ = 147117696000. Its totient is φ = 147114609444.

The previous prime is 147116152717. The next prime is 147116152759. The reversal of 147116152721 is 127251611741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147116152721 - 2² = 147116152717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147116154721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618521 + ... + 822678.

It is an arithmetic number, because the mean of its divisors is an integer number (36779424000).

Almost surely, 2^147116152721 is an apocalyptic number.

It is an amenable number.

147116152721 is a deficient number, since it is larger than the sum of its proper divisors (1543279).

147116152721 is a wasteful number, since it uses less digits than its factorization.

147116152721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543278.

The product of its digits is 23520, while the sum is 38.

The spelling of 147116152721 in words is "one hundred forty-seven billion, one hundred sixteen million, one hundred fifty-two thousand, seven hundred twenty-one".