161690496002602 has 16 divisors (see below), whose sum is σ = 277207708377600. Its totient is φ = 69289926622128.

The previous prime is 161690496002491. The next prime is 161690496002603. The reversal of 161690496002602 is 206200694096161.

It is a super-2 number, since 2×161690496002602² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161690496002602.

It is not an unprimeable number, because it can be changed into a prime (161690496002603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499852218 + ... + 500175589.

It is an arithmetic number, because the mean of its divisors is an integer number (17325481773600).

Almost surely, 2^{161690496002602} is an apocalyptic number.

161690496002602 is a deficient number, since it is larger than the sum of its proper divisors (115517212374998).

161690496002602 is a wasteful number, since it uses less digits than its factorization.

161690496002602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000039365.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 161690496002602 in words is "one hundred sixty-one trillion, six hundred ninety billion, four hundred ninety-six million, two thousand, six hundred two".