161420156103135 has 16 divisors (see below), whose sum is σ = 260243793659520. Its totient is φ = 85433568623520.

The previous prime is 161420156103133. The next prime is 161420156103137. The reversal of 161420156103135 is 531301651024161.

It is an interprime number because it is at equal distance from previous prime (161420156103133) and next prime (161420156103137).

It is not a de Polignac number, because 161420156103135 - 2¹ = 161420156103133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161420156103093 and 161420156103102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161420156103133) 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, 41073829105 + ... + 41073833034.

It is an arithmetic number, because the mean of its divisors is an integer number (16265237103720).

Almost surely, 2^{161420156103135} is an apocalyptic number.

161420156103135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161420156103135 is a deficient number, since it is larger than the sum of its proper divisors (98823637556385).

161420156103135 is a wasteful number, since it uses less digits than its factorization.

161420156103135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82147662278.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 161420156103135 in words is "one hundred sixty-one trillion, four hundred twenty billion, one hundred fifty-six million, one hundred three thousand, one hundred thirty-five".