7161901356 has 24 divisors (see below), whose sum is σ = 17250171904. Its totient is φ = 2310290640.

The previous prime is 7161901273. The next prime is 7161901367. The reversal of 7161901356 is 6531091617.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9625840 + ... + 9626583.

Almost surely, 2^7161901356 is an apocalyptic number.

It is an amenable number.

7161901356 is an abundant number, since it is smaller than the sum of its proper divisors (10088270548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7161901356 is a wasteful number, since it uses less digits than its factorization.

7161901356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19252461 (or 19252459 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 7161901356 is about 84628.0175591984. The cubic root of 7161901356 is about 1927.5668332811.

The spelling of 7161901356 in words is "seven billion, one hundred sixty-one million, nine hundred one thousand, three hundred fifty-six".