161663037410087 has 32 divisors (see below), whose sum is σ = 164430041472000. Its totient is φ = 158916002918400.

The previous prime is 161663037410059. The next prime is 161663037410159. The reversal of 161663037410087 is 780014730366161.

It is a cyclic number.

It is not a de Polignac number, because 161663037410087 - 2⁸ = 161663037409831 is a prime.

It is a super-2 number, since 2×161663037410087² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161663037410387) 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, 48885101888 + ... + 48885105194.

It is an arithmetic number, because the mean of its divisors is an integer number (5138438796000).

Almost surely, 2^{161663037410087} is an apocalyptic number.

161663037410087 is a deficient number, since it is larger than the sum of its proper divisors (2767004061913).

161663037410087 is a wasteful number, since it uses less digits than its factorization.

161663037410087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 161663037410087 in words is "one hundred sixty-one trillion, six hundred sixty-three billion, thirty-seven million, four hundred ten thousand, eighty-seven".