7451157161 has 16 divisors (see below), whose sum is σ = 8559129600. Its totient is φ = 6354134208.

The previous prime is 7451157143. The next prime is 7451157277. The reversal of 7451157161 is 1617511547.

It is a cyclic number.

It is not a de Polignac number, because 7451157161 - 2¹⁴ = 7451140777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7451157101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1603880 + ... + 1608518.

It is an arithmetic number, because the mean of its divisors is an integer number (534945600).

Almost surely, 2^7451157161 is an apocalyptic number.

It is an amenable number.

7451157161 is a deficient number, since it is larger than the sum of its proper divisors (1107972439).

7451157161 is a wasteful number, since it uses less digits than its factorization.

7451157161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5768.

The product of its digits is 29400, while the sum is 38.

The square root of 7451157161 is about 86320.0855015795. The cubic root of 7451157161 is about 1953.1753796382.

The spelling of 7451157161 in words is "seven billion, four hundred fifty-one million, one hundred fifty-seven thousand, one hundred sixty-one".