6157720201754 has 64 divisors (see below), whose sum is σ = 10156701155328. Its totient is φ = 2776740580800.

The previous prime is 6157720201753. The next prime is 6157720201777. The reversal of 6157720201754 is 4571020277516.

It is a junction number, because it is equal to n+sod(n) for n = 6157720201699 and 6157720201708.

It is not an unprimeable number, because it can be changed into a prime (6157720201751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1370511932 + ... + 1370516424.

It is an arithmetic number, because the mean of its divisors is an integer number (158698455552).

Almost surely, 2^{6157720201754} is an apocalyptic number.

6157720201754 is a deficient number, since it is larger than the sum of its proper divisors (3998980953574).

6157720201754 is a wasteful number, since it uses less digits than its factorization.

6157720201754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5723.

The product of its (nonzero) digits is 823200, while the sum is 47.

The spelling of 6157720201754 in words is "six trillion, one hundred fifty-seven billion, seven hundred twenty million, two hundred one thousand, seven hundred fifty-four".