1657049962011 has 16 divisors (see below), whose sum is σ = 2306296442880. Its totient is φ = 1057052525760.

The previous prime is 1657049961991. The next prime is 1657049962069. The reversal of 1657049962011 is 1102699407561.

It is a happy number.

It is not a de Polignac number, because 1657049962011 - 2⁵ = 1657049961979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1657049962091) 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, 100091395 + ... + 100107948.

It is an arithmetic number, because the mean of its divisors is an integer number (144143527680).

Almost surely, 2^{1657049962011} is an apocalyptic number.

1657049962011 is a deficient number, since it is larger than the sum of its proper divisors (649246480869).

1657049962011 is a wasteful number, since it uses less digits than its factorization.

1657049962011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200199466.

The product of its (nonzero) digits is 816480, while the sum is 51.

The spelling of 1657049962011 in words is "one trillion, six hundred fifty-seven billion, forty-nine million, nine hundred sixty-two thousand, eleven".