6157216345 has 32 divisors (see below), whose sum is σ = 8799321600. Its totient is φ = 4046654976.

The previous prime is 6157216337. The next prime is 6157216367. The reversal of 6157216345 is 5436127516.

It is not a de Polignac number, because 6157216345 - 2³ = 6157216337 is a prime.

It is a super-2 number, since 2×6157216345² = 75822626238270318050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6157216298 and 6157216307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116916 + ... + 161194.

It is an arithmetic number, because the mean of its divisors is an integer number (274978800).

Almost surely, 2^6157216345 is an apocalyptic number.

It is an amenable number.

6157216345 is a deficient number, since it is larger than the sum of its proper divisors (2642105255).

6157216345 is a wasteful number, since it uses less digits than its factorization.

6157216345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44457.

The product of its digits is 151200, while the sum is 40.

The square root of 6157216345 is about 78467.9319531234. The cubic root of 6157216345 is about 1832.8551234464.

The spelling of 6157216345 in words is "six billion, one hundred fifty-seven million, two hundred sixteen thousand, three hundred forty-five".