91629316 has 12 divisors (see below), whose sum is σ = 164685388. Its totient is φ = 44576352.

The previous prime is 91629313. The next prime is 91629341. The reversal of 91629316 is 61392619.

It can be written as a sum of positive squares in 2 ways, for example, as 51179716 + 40449600 = 7154^2 + 6360^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (91629311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309411 + ... + 309706.

Almost surely, 2^91629316 is an apocalyptic number.

It is an amenable number.

91629316 is a deficient number, since it is larger than the sum of its proper divisors (73056072).

91629316 is a wasteful number, since it uses less digits than its factorization.

91629316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619158 (or 619156 counting only the distinct ones).

The product of its digits is 17496, while the sum is 37.

The square root of 91629316 is about 9572.3203038762. The cubic root of 91629316 is about 450.8286230440.

It can be divided in two parts, 916 and 29316, that multiplied together give a triangular number (26853456 = T₇₃₂₈).

The spelling of 91629316 in words is "ninety-one million, six hundred twenty-nine thousand, three hundred sixteen".